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Simplify the expression. Write the answer using scientific notation. Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approximately
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Simplify the expression. Write the answer using scientific notation. 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 13.4 light-years from Earth. In scientific notation, how many miles away is it?

User Eyeballpaul
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so u will do 13.4*5880000000000=78,792,000,000,000 is how many miles away it is
so ure answer is
78,792,000,000,000
User Myesha
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