Question

The distance of planet Mercury from the Sun is approximately 5.8 ⋅ 10^7 kilometers, and the distance of Earth from the Sun is 1.5 ⋅ 10^8 kilometers. About how many more kilometers is the distance of Earth from the Sun than the distance of Mercury from the Sun?

Choices are
A:4.3 ⋅ 107 kilometers

 

B:9.2 ⋅ 107 kilometers  

C:9.2 ⋅ 108 kilometers  

D:5.7 ⋅ 109 kilometers

Answer 1

1.5X10^8-5.8X10^7

1.5X10^8-0.58X10^8

(1.5-0.58)(10^8)

(0.92)(10^8)

0.92X10^8

9.2X10^7