Mentally Approximate the Quotient Without a Calculator $\left( 14 \times 10 ^ { - 10 } \right) \div \left( 0.7 \times 10 ^ { - 30 } \right)$

Multiple Choice

Mentally approximate the quotient without a calculator. $\left( 14 \times 10 ^ { - 10 } \right) \div \left( 0.7 \times 10 ^ { - 30 } \right)$

A) $13.3 \times 10 ^ { 40 }$
B) $2 \times 10 ^ { 9 }$
C) $2 \times 10 ^ { 20 }$
D) $2 \times 10 ^ { 21 }$
E) $13.3 \times 10 ^ { 20 }$