Use Scientific Notation to Solve the Problem $5 \times 1014$ Cubic Meters and the Volume of a Bacterium Is

Multiple Choice

Use scientific notation to solve the problem.
-Assume that the volume of the earth is $5 \times 1014$ cubic meters and the volume of a bacterium is $2.5 \times$ $10 - 16$ cubic meters. If the earth could be filled with bacteria, how many would it contain?

A) $2.0 \times 10 ^ { 30 }$ bacteria
B) $5.0 \times 10 ^ { - 31 }$ bacteria
C) $2.0 \times 10 - 30$ bacteria
D) $5.0 \times 10 ^ { 31 }$ bacteria