Scientific Notation Mastery
A Grade 9 math worksheet focusing on converting between standard and scientific notation, and performing operations with scientific notation.
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Scientific Notation Mastery
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Read each question carefully and answer to the best of your ability. Show all your work for full credit.
Write each number in scientific notation.
1. 34,000,000 =
2. 0.0000000091 =
3. 675,000,000,000 =
4. 0.0000000000005 =
Write each number in standard notation.
5. 7.2 x 10^5 =
6. 3.01 x 10^-8 =
7. 1.15 x 10^10 =
8. 9.87 x 10^-3 =
Solve the following problems and express your answer in scientific notation.
9. (2.5 x 10^3) x (4 x 10^5)
10. (9 x 10^7) / (3 x 10^2)
11. The average distance from Earth to the Moon is approximately 384,400 kilometers. Which of the following is the correct scientific notation for this distance?
3.844 x 10^4 km
3.844 x 10^5 km
38.44 x 10^4 km
0.3844 x 10^6 km
12. What is the value of (1.2 x 10^-3) + (3.4 x 10^-4)?
1.54 x 10^-3
4.6 x 10^-3
1.54 x 10^-4
4.6 x 10^-4
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