Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approxi
mately 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?
2 answers:
Answer:
8.4672 x 10^13
Step-by-step explanation:
(14.4) x (5,880,000,000,000 miles) = 84,672,000,000,000 miles
(14.4) x (5.88 x 10¹²)
= 84.672 x 10¹²
= 8.4672 x 10¹³ .
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