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Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approximately 5.88 x 1012 miles. Suppose a star is 3.2 x 102 light-years from Earth. In scientific notation, approximately how many miles is it?

A. 1.88 x 1012
B. 5.88 x 1014
C. 3.2 x 1015
D. 1.88 x 1015

I'm not sure what is being asked....

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4 answers
  1. how many miles in 3.2 x 10^2 light years?

    hint ... multiply

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  2. 3.2 * 10^2 light years * 5.88 * 10^12 miles / light year
    = about 18 * 10 ^14 miles = 1.8 * 10^15 miles
    so yes D

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    👤
    Damon
  3. damon is right

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  4. 1A
    2A
    3A
    4A
    5A
    6B
    7C
    8A
    9B
    10C
    11A
    12A
    13B
    14D
    15B
    16B
    17A
    18B
    19??
    20??
    21A
    22??
    23B
    24B
    this will give you a 87 it's not perfect but adleast you pass... sorry

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