Use Scientific Notation to Solve the Problem $2.9 \times 10 ^ { 3 }$

Multiple Choice

Use scientific notation to solve the problem.
-The distance from the earth to the sun is 92,900,000 miles. How long would it take a rocket, traveling a $2.9 \times 10 ^ { 3 }$ miles per hour, to reach the sun?

A) $3.2 \times 10 ^ { 4 } \mathrm { hr }$
B) $3.2 \times 10 ^ { 2 } \mathrm { hr }$
C) $3.2 \times 10 ^ { 3 } \mathrm { hr }$
D) $3.2 \mathrm { hr }$