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4 December, 12:34

How is the number 3.91 x 10 - 4 expressed in regular numbers?

A. 0.3910000

B. 0.0000391

C. 0.0391

D. 0.000391

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Answers (1)
  1. 4 December, 12:49
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    D. 0.000391 is your answer because the decimal place moves 4 places to the left
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