Expressing Numbers using Powers of 10 - Answer Key - Rewrite each number as an expression with the power of 10

Sep 30, 2026

Uploaded by Ezra

Rewrite each given number as an expression using powers of 10. The worksheet covers large whole numbers (such as 90,000,000,000, 600,000,000,000, 30,000,000, and 70,000) as well as smaller integers and decimals including 0.7, 0.007, and very small values like 0.000000000002. An answer key lists the corresponding factored forms in the format a × 10^n, including negative exponents for decimal places.

LanguageEnglish

CategoryExam

FormatPDF

Pages3

Reading Time8 min

AccessFree to download

Expressing Numbers using Powers of 10

Rewrite Each Number with a Power of 10

Answers (a × 10^n)

Expressing Numbers using Powers of 10 Name: Rewrite each number as an expression with the power of 10. 1) 90,000,000,000 2) 30 3) 10 4) 200 5) 60 6) 3,000 7) 10,000 8) 70,000 9) 600,000,000,000 Answers 1. 2. 3. 4. 5. 6. 7. 8. 10) 30,000,000 11) 0.7 12) 0.000000000002 13) 0.000000002 14) 0.0000000001 15) 0.0000005 16) 0.000000003 17) 0.0000007 18) 0.000006 19) 0.000000009 20) 0.007 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. Math [www.CommonCoreSheets.com](www.CommonCoreSheets.com) 2 1-10 11-20 95 45 90 40 85 35 80 30 75 25 70 20 65 15 60 10 55 5 50 0 Expressing Numbers using Powers of 10 Name: Answer Key | Rewrite each number as an expression with the power of 10.
1) 90,000,000,000 | | Answers
1. 9 × 1010 | | --- | --- | --- | | 2) | 30 | 2. 3 × 101 | | 3) | 10 | 3. 1 × 101 | | 4) | 200 | 4. 2 × 102 | | 5) | 60 | 5. 6 × 101 | | 6) | 3,000 | 6. 3 × 103 | | 7) | 10,000 | 7. 1 × 104 | | 8) | 70,000 | 8. 7 × 104 | | 9) | 600,000,000,000 | 9. 6 × 1011 | | 10) | 30,000,000 | 10. 3 × 107 | | 11) | 0.7 | 11. 7 × 10-1 | | 12) | 0.000000000002 | 12. 2 × 10-12 | | 13) | 0.000000002 | 13. 2 × 10-9 | | 14) | 0.0000000001 | 14. 1 × 10-10 | | 15) | 0.0000005 | 15. 5 × 10-7 | | 16) | 0.000000003 | 16. 3 × 10-9 | | 17) | 0.0000007 | 17. 7 × 10-7 | | 18) | 0.000006 | | | 19) | 0.000000009 | 18. 6 × 10-6 | | 20) | 0.007 | 19. 9 × 10-9
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20. 7 × 10 | Math [www.CommonCoreSheets.com](www.CommonCoreSheets.com) 2 1-10 11-20 95 45 90 40 85 35 80 30 75 25 70 20 65 15 60 10 55 5 50 0 Expressing Numbers using Powers of 10 Name: | Rewrite each number as an expression with the power of 10.
1) 90,000,000,000
2) 30
3) 10
4) 200
5) 60
6) 3,000
7) 10,000
8) 70,000
9) 600,000,000,000
10) 30,000,000
11) 0.7
12) 0.000000000002 | | | | | | | | Answers
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12. | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | |
Math | Modified
[www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 2 | 1-10
11-12 | 92 | 83 | 75 | 67 | | 58 | 50 | 42 | 33 | 25 | 17 | | | | | | 8 | 0 | | | | | | | | | |

FAQs

How should each number be rewritten in this worksheet?

Each number should be expressed in the form a × 10^n, using a power of 10 to show place value.

Do the answers include negative powers of 10?

Yes. Decimals require negative exponents of 10, shown in the answer key using terms like 7 × 10^-1 and 5 × 10^-7.

What types of numbers are included?

The worksheet includes large whole numbers, smaller integers (like 200, 60, 3,000), and decimal numbers, including very small decimals such as 0.000000000002.

Sep 30, 2026

Uploaded by Ezra