Place Value And Rounding Test! Quiz

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  • 1/10 Questions

    The act of replacing a number by another value that is approximately equal but has a shorter, simpler or more explicit representation is?

    • Rounding
    • Fraction
    • Cutting
    • None of the above
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About This Quiz


Do you know anything about place value and rounding? Do you think you can pass this quiz? The trick is to rounding place value is to understand that rounding numbers are essentially the same as writing digits. The standard rule is that if a digit is five or greater, you round up. If a digit is four or less, you round down. Take this quiz and learn more about place value and rounding.

Place Value And Rounding Test! Quiz - Quiz

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  • 2. 
    In a sequence of calculations, rounding errors generally accumulate, and in certain ill-conditioned cases, they make the result? - ProProfs

    In a sequence of calculations, rounding errors generally accumulate, and in certain ill-conditioned cases, they make the result?

    • Null

    • Void

    • Meaningless

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    In a sequence of calculations, rounding errors generally accumulate, meaning that each individual rounding error adds up to the total error. In certain ill-conditioned cases, where the calculations are particularly sensitive to small changes, these rounding errors can become significant and make the result meaningless. Therefore, all of the options - null, void, and meaningless - are correct in describing the outcome of the accumulated rounding errors in certain cases.

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  • 3. 
    Every mathematical expression, whether the operator or operands have their symbol they are represented in, which one is for rounding? - ProProfs

    Every mathematical expression, whether the operator or operands have their symbol they are represented in, which one is for rounding?

    • Degree

    • Wavy equals

    • Equal

    • Modulo

    Correct Answer
    A. Wavy equals
    Explanation
    The symbol for rounding in mathematical expressions is the wavy equals sign. This symbol is used to indicate that the expression should be rounded to a certain degree or precision.

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  • 4. 
    In these order, the lines up in other of the unit, left is the tens, the next is the hundreds which one is the next? - ProProfs

    In these order, the lines up in other of the unit, left is the tens, the next is the hundreds which one is the next?

    • Millions

    • Thousandths

    • Fifties

    • None of the above

    Correct Answer
    A. Thousandths
    Explanation
    The given order is in increasing order of magnitude. "Millions" is the highest value, followed by "Thousandths" which is the next smallest unit. "Fifties" does not fit into this pattern as it is not a unit of magnitude. Therefore, the correct answer is "Thousandths".

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  • 5. 
    Rounding is often done to obtain a value that is easier to report and communicate than the original, rounding can also be important to avoid misleading reports of a computer number to ensure? - ProProfs

    Rounding is often done to obtain a value that is easier to report and communicate than the original, rounding can also be important to avoid misleading reports of a computer number to ensure?

    • Accuracy

    • Precision

    • Efficiency

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Rounding is often done to obtain a value that is easier to report and communicate than the original. It helps in simplifying complex numbers and making them more understandable. Rounding can also be important to avoid misleading reports of a computer number, ensuring accuracy in the representation of data. Additionally, rounding can improve precision by reducing the number of decimal places or significant figures, making calculations more efficient and manageable. Therefore, all of the given options - accuracy, precision, and efficiency - are valid reasons for why rounding is important.

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  • 6. 
    It is unavoidable when reporting many computations, especially when dividing two numbers in integer or fixed-point arithmetic, what’s unavoidable? - ProProfs

    It is unavoidable when reporting many computations, especially when dividing two numbers in integer or fixed-point arithmetic, what’s unavoidable?

    • Reporting

    • Precision

    • Calculation

    • Rounding

    Correct Answer
    A. Rounding
    Explanation
    When reporting many computations, especially when dividing two numbers in integer or fixed-point arithmetic, rounding is unavoidable. This means that the result of the calculation needs to be rounded to a certain number of decimal places or significant figures in order to provide a more manageable and meaningful value. Rounding helps to simplify the result and make it easier to understand and work with.

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  • 7. 
    Rounding is almost unavoidable when reporting many computations and when dividing two numbers in integer or fixed-point arithmetic such as? - ProProfs

    Rounding is almost unavoidable when reporting many computations and when dividing two numbers in integer or fixed-point arithmetic such as?

    • Square roots

    • Logarithms

    • Sines

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    Rounding is necessary when reporting computations of square roots, logarithms, and sines because these calculations often result in decimal values that cannot be represented exactly in integer or fixed-point arithmetic. Rounding allows us to approximate these values and make them more manageable and understandable. Therefore, all of the given options require rounding when dividing two numbers in integer or fixed-point arithmetic.

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  • 8. 
    In the decimal system, which is base 10, digits from 0 to 9, the first column left of the decimal place are the units? - ProProfs

    In the decimal system, which is base 10, digits from 0 to 9, the first column left of the decimal place are the units?

    • Place

    • Column

    • Position

    • None of the above

    Correct Answer
    A. Column
    Explanation
    The first column left of the decimal place in the decimal system represents the units place. This is because in the decimal system, each digit's value is multiplied by a power of 10 based on its position. The units place has a power of 10^0, which means it represents the value of the digit itself. Therefore, the correct answer is column.

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  • 9. 
    Accurate rounding of transcendental mathematical functions is difficult because the number of extra digits that need to be calculated to resolve whether to round up or down cannot be known in advance, this problem is known as? - ProProfs

    Accurate rounding of transcendental mathematical functions is difficult because the number of extra digits that need to be calculated to resolve whether to round up or down cannot be known in advance, this problem is known as?

    • Miscalculation

    • Quantization

    • Table-Maker dilemma

    • None of the above

    Correct Answer
    A. Table-Maker dilemma
    Explanation
    Accurate rounding of transcendental mathematical functions is difficult because the number of extra digits that need to be calculated to resolve whether to round up or down cannot be known in advance. This problem is known as the Table-Maker dilemma.

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  • 10. 
    A method of representing or encoding numbers, is distinguished from other notations for its use of the same symbol for the different order of magnitude, this method is called? - ProProfs

    A method of representing or encoding numbers, is distinguished from other notations for its use of the same symbol for the different order of magnitude, this method is called?

    • Place-vale notation

    • Positional notation

    • Roman numerals

    • A and B only

    Correct Answer
    A. A and B only
    Explanation
    The correct answer is A and B only. Place-value notation and positional notation are both methods of representing or encoding numbers that use the same symbol for different orders of magnitude. Roman numerals, on the other hand, do not follow this principle as they use different symbols for different values.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 18, 2017
    Quiz Created by
    Jaksiboy
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