Perform the Operation $\left( 3.5 \times 10 ^ { 6 } \right) \left( 2.9 \times 10 ^ { 2 } \right)$

Multiple Choice

Perform the operation. Give answer in scientific notation. $\left( 3.5 \times 10 ^ { 6 } \right) \left( 2.9 \times 10 ^ { 2 } \right)$

A) $10.15 \times 10 ^ { 8 }$
B) $1.015 \times 10 ^ { 10 }$
C) $1.015 \times 10 ^ { 9 }$
D) $1.015 \times 10 ^ { 8 }$