Asked by Anime_is_cool

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....
Answered by R_scott
how many miles in 3.2 x 10^2 light years?


hint ... multiply
Answered by Damon
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
Answered by connexus
damon is right
Answered by Banoice
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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