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14 November, 12:50

Astronomers measure large distances in light years. One light-year is the distance that light can travel in one year or approximately 5,880,000,000,000 miles. Suppose a star is 14.4 light years from earth. In scientific notation, how many miles away is it?

A - 1.44x10 12 (12 is an exposed)

B - 5.88x10 12 miles away (12 is once again an exponent

C - 8.4672x10 13 13 is an exponet

D - 5.88 x 10 13 (13 is an exponet)

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Answers (1)
  1. 14 November, 14:37
    0
    14.4 * 5.88 * 10^12

    = 84.672 8 10^12

    = 8.4672 * 10^13 in scientific notation

    C is correct
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