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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