A certain star is 3.8 times 10 squared3.8×102 light years from the Earth. One light year is about 5.9 times 10 Superscript 125.9×1012 miles. How far from the earth (in miles) is the star?
[ (3.8) * 10^2] * [ 5.9 * 10^12 ] =
(3.8)(5.9) * (10^2)(10^12) =
22.42 * 10^14 =
2.242 x 10^15 miles
+4 
