Determine by What Factor the Numbers Differ $1.2 \times 10 ^ { - 5 } , 4.8 \times 10 ^ { - 15 }$

Multiple Choice

Determine by what factor the numbers differ. In other words, determine how many times larger the first number is thanthe second.
- $1.2 \times 10 ^ { - 5 } , 4.8 \times 10 ^ { - 15 }$

A) $2.5 \times 10 ^ { 1 / 3 }$
B) $2.5 \times 10 ^ { 10 }$
C) $2.5 \times 10 ^ { 20 }$
D) $2.5 \times 10 ^ { 9 }$