Significant Figures Practice Quiz

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Significant Figures Practice Quiz - Quiz

We welcome you to this informative Significant figures practice quiz. Learners may need clarification when trying to determine what a significant figure is. There are three laws to remember regarding significant figures, and we are confident you know them. Test how good you are at identifying the number of significant figures in the quiz below. There is no time limit on this quiz, so feel free to take this quiz as often as you want. Have fun, and keep learning!


Questions and Answers
  • 1. 

    How many significant figures does 1261.63 have?

    • A.

      2

    • B.

      4

    • C.

      6

    • D.

      8

    Correct Answer
    C. 6
    Explanation
    The number 1261.63 has six significant figures. Significant figures are the digits in a number that carry meaning or contribute to its precision. In this case, all the digits (1, 2, 6, 1, 6, and 3) are significant because they are not zero and they contribute to the precision of the number.

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  • 2. 

    How many significant figures does 0.119 have?

    • A.

      2

    • B.

      3

    • C.

      4

    • D.

      1

    Correct Answer
    B. 3
    Explanation
    0.119 has three significant figures because all the digits in the number are non-zero and are therefore significant. The zero in the middle of the number is also significant because it falls between two non-zero digits.

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  • 3. 

    How many significant figures does 4857.169 have?

    • A.

      4

    • B.

      5

    • C.

      6

    • D.

      7

    Correct Answer
    D. 7
    Explanation
    4857.169 has 7 significant figures because all of the digits in the number are non-zero digits, and all of them are considered significant.

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  • 4. 

    How many significant figures does 6559.060

    • A.

      5

    • B.

      6

    • C.

      7

    • D.

      8

    Correct Answer
    C. 7
    Explanation
    The number 6559.060 has seven significant figures. Significant figures are the digits in a number that carry meaning in terms of precision. In this case, all the digits from 6 to 0 are significant because they contribute to the precision of the measurement. The leading zero is not considered significant as it only serves to locate the decimal point. Therefore, the correct answer is 7.

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  • 5. 

    How many significant figures does 292.785854000?

    • A.

      4

    • B.

      6

    • C.

      8

    • D.

      12

    Correct Answer
    D. 12
    Explanation
    The number 292.785854000 has 12 significant figures. Significant figures are the digits in a number that carry meaning in terms of precision. In this case, all the digits from 2 to the last 0 are significant, as they provide information about the precision of the measurement. Therefore, the number has 12 significant figures.

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  • 6. 

    How many significant does 0.5680 have?

    • A.

      2

    • B.

      4

    • C.

      5

    • D.

      3

    Correct Answer
    B. 4
    Explanation
    The number 0.5680 has four significant figures. Significant figures are the digits in a number that carry meaning or contribute to its precision. In this case, all the digits (5, 6, 8, and 0) are significant because they are not zero and contribute to the overall value and precision of the number. The trailing zero after the decimal point is also significant because it indicates that the measurement was made to the nearest tenth. Therefore, the number has a total of four significant figures.

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  • 7. 

    How many significant figures does 600 have?

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    Correct Answer
    A. 1
    Explanation
    The number 600 has only one significant figure, which is 6. The zeros at the end of the number are not considered significant because they are just placeholders for the magnitude of the number.

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  • 8. 

    How many significant figures does 0.42000 have?

    • A.

      2

    • B.

      3

    • C.

      4

    • D.

      5

    Correct Answer
    D. 5
    Explanation
    The number 0.42000 has five significant figures because all the digits, including the trailing zeros after the decimal point, are considered significant.

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  • 9. 

    Do you know how many significant figures 0.002040 have?

    • A.

      2

    • B.

      4

    • C.

      6

    • D.

      8

    Correct Answer
    B. 4
    Explanation
    The number 0.002040 has four significant figures. Significant figures are the digits in a number that carry meaning in terms of precision. In this case, the zeros before the 2 are not significant because they are leading zeros and do not add any additional precision. Therefore, the significant figures in this number are 2, 0, 4, and 0.

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  • 10. 

    How many significant figures does 4.56 x 10^3 have?

    • A.

      3

    • B.

      4

    • C.

      5

    • D.

      6

    Correct Answer
    A. 3
    Explanation
    The number 4.56 x 10^3 has three significant figures. This is because the digits 4, 5, and 6 are all non-zero and therefore significant. The exponent 3 does not affect the number of significant figures.

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