Question

Can someone, anyone please help me with this question!? And please hurry!!

The distance of planet Mercury from the Sun is approximately 5.8 ⋅ 10^7 kilometers, and the distance of planet Venus from the Sun is 1.1 ⋅ 10^8 kilometers. About how many more kilometers is the distance of Venus from the Sun than the distance of Mercury from the Sun?
A.) 5.2 ⋅ 10^7 kilometers
B.) 4.7 ⋅ 10^8 kilometers
C.) 5.2 ⋅ 10^8 kilometers
D.) 5.7 ⋅ 10^9 kilometers
Thanks!

Answer 1

When you want to subtract 2 numbers in scientific notation, make sure they both have same exponent first. Then subtract . Finally convert answer to standard scientific notation by changing exponent.
----> 1.1 *10^8 = 11*10^7

Subtract ---> 11 - 5.8 = 5.2

Answer = 5.2 * 10^7

Answer 2

Thank you!