Scientific Notation In Chemistry Quiz Questions

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Frankwright
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Quizzes Created: 1 | Total Attempts: 1,099
Questions: 6 | Attempts: 1,099

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If you know scientific notation very good you will certainly get 100.

• 1.

What is the standard form for this? 3,500,000,000

• A.

3.5*10^9

• B.

3*10^9

• C.

3.5*10^8

A. 3.5*10^9
Explanation
The standard form for 3,500,000,000 is 3.5*10^9. This is because in standard form, a number is expressed as a decimal number between 1 and 10, multiplied by a power of 10. In this case, 3.5 is the decimal number and 10^9 represents the power of 10, indicating that the number should be multiplied by 10 nine times. Therefore, 3.5*10^9 is the correct standard form for 3,500,000,000.

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• 2.

What is the scientific form for this? 9.4*10^8

• A.

940,000,000

• B.

94,000,000,000

• C.

9.4,000,000

A. 940,000,000
Explanation
The scientific form for the given number is 9.4*10^8. This is because in scientific notation, a number is expressed as a product of a decimal number between 1 and 10, and a power of 10. In this case, the decimal number is 9.4 and the power of 10 is 8. Therefore, the scientific form for 9.4*10^8 is 9.4*10^8.

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• 3.

Is this statment true or false? Is scientific notation good to solve problems with very big numbers and make them very small numbers.

• A.

True

• B.

False

A. True
Explanation
Scientific notation is indeed a useful tool for solving problems with very big or very small numbers. It allows us to express these numbers in a concise and standardized format, making calculations and comparisons easier. By using powers of 10, scientific notation simplifies complex calculations and helps to avoid errors. Therefore, it is true that scientific notation is good for solving problems with very big and very small numbers.

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• 4.

Is this number in standard form? 3,400,800,900

• A.

True

• B.

False

A. True
Explanation
The number 3,400,800,900 is in standard form because it is written using digits and commas to separate groups of three digits. Standard form is a way of writing numbers that makes them easier to read and understand.

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• 5.

What is the exponent for this number? 34,000,000,000,000

• A.

10^19

• B.

10^4

• C.

10^13

C. 10^13
Explanation
The exponent for the number 34,000,000,000,000 is 10^13. This means that the number can be written as 34 x 10^13. The exponent represents the number of zeros that follow the digit 34, indicating that there are 13 zeros after the number 34.

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• 6.

• A.

True

• B.

False