Scientific Notation
  • 1. 2.181 × 107
A) 2,181.000
B) .0002181
C) 2,181,000
D) 21,810,000
E) 0.2181
  • 2. 1.373 × 105
A) 0.1373
B) 13,730
C) 137,300
D) 13.7300
E) 1,370
  • 3. 3.84 × 10-8
A) 3,840,000,000
B) 38,400,000
C) 0.00000000384
D) 0.384
E) 0.0000000384
  • 4. 7.39 ×10-8
A) 0.0000000739
B) 0.00000000739
C) 73,900,000,000
D) 7,390,000
E) None of the above
  • 5. 3.04 × 10-5
A) 0.0000304
B) 0.30400
C) 30,400
D) 0.0000034
E) 304,000
  • 6. 5.418 × 103
A) None of the above
B) 0.5418
C) 5,418,000
D) 5.418
E) 5,418
  • 7. 3,900
A) 3.9 × 102
B) 3.9 × 10-3
C) 3.9 × 103
D) 3.9 × 104
E) 3.9 × 10-2
  • 8. 0.000000026
A) 2.6 × 107
B) 2.6 × 108
C) 2.6 × 106
D) 2.6 × 10-8
E) 2.6 × 10-7
  • 9. 0.0008
A) 8 × 102
B) 8 × 103
C) 8 × 104
D) 8 × 10-3
E) 8 × 10-4
  • 10. 1,060,000
A) None of the above
B) 1060.0 × 103
C) 10.6 × 105
D) 1.06 × 106
E) 10.6 × 10-5
  • 11. 3.855 × 10-7
A) 0.0000003855
B) 0.00000003855
C) 3,855,000
D) 38,550,000,000
E) 3,855,000,000
  • 12. 4.689 × 10-4
A) 46,890,000
B) 0.00004689
C) 4,689,000
D) 0.0004689
E) 0.4689
  • 13. 8.39 × 103
A) 0.000839
B) 839,000
C) 8,390
D) 8,390,000
E) 0.00389
  • 14. 3 × 107
A) 300
B) 3,000
C) 30,000
D) 30,000,000
E) 3,000,000
  • 15. 6.06 × 106
A) 6,060,000
B) None of the above
C) 0.000000606
D) 0.00000606
E) 60,600,000
  • 16. 6.92 × 10-6
A) 0.00000692
B) 6,920,000
C) 0.000000692
D) 692,000,000
E) 69,200
  • 17. 712,000,000
A) 0.712 × 109
B) 7.12 × 108
C) 7.12 × 109
D) 7.12 × 107
E) 7.12 × 106
  • 18. 19,500,000
A) 19.5 × 106
B) 19.5 × 107
C) 1.95 × 107
D) 1.95 × 106
E) 1.95 × 10-7
  • 19. 0.000000398
A) 3.98 × 10-6
B) None of the above
C) 3.98 × 106
D) 3.98 × 10-7
E) 3.98 × 107
  • 20. 923,000
A) 92.3 × 10-4
B) 0.923 × 105
C) 9.23 × 10-5
D) 92.3 × 104
E) 9.23 × 105
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