fraction, decimal, percent, scientific notation, powers of ten
- 1. Which statement is true?
A) 0.3% = 0.03
B) 20% = 1/20
C) 2/5 = 0.4
D) 8.6 = 0.086%
- 2. Which shows 4.5% as a decimal?
A) 450.
B) 45.0
C) 0.045
D) 4.5
- 3. Which shows 4.7 as a percent?
A) 47%
B) 4.7%
C) 0.47%
D) 470%
- 4. What is 45% as a reduced fraction? (Use the "/" symbol to represent the fraction bar)
- 5. What is 0.3 as a reduced fraction? (Use the "/" to represent the fraction bar)
- 6. What is 3/8 as a decimal?
- 7. What is 5/8 as a percent?
- 8. Order 3/7, 40%, and 0.42 in order from least to greatest
A) 40%, 0.42, 3/7
B) 3/7, 40%, 0.42
C) 0.42, 40%, 3/7
D) 40%, 3/7, 0.42
- 9. What is 4.56 x 106 in standard form?
A) 0.000000456
B) 456000000
C) 0.000456
D) 4560000
- 10. What is 4.56 x 10-6 in standard form?
A) 4560000
B) 0.000000456
C) 456000000
D) 0.00000456
- 11. What is 0.000000654 in scientific notation?
A) 6.54 x 10-7
B) 6.54 x 107
C) 65.4 x 108
D) 65.4 x 10-8
- 12. What is 345000000000 in scientific notation?
A) 34.5 x 10-10
B) 34.5 x 1010
C) 3.45 x 10-11
D) 3.45 x 1011
- 13. Which decimal is equal to 10-3
A) 0.0001
B) 0.001
C) -0.003
D) 0.003
E) -0.001
- 14. which is equal to 1,000?
A) 10-3
B) 103
C) 10-4
D) 104
- 15. What power of ten represent 0.00001?
A) 10-4
B) 10-5
C) 104
D) 105
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