Multiply or Divide and Write Scientific Notation for the Result $$\frac { 20 \times 10 ^ { 6 } } { 4 \times 10 ^ { 7 } }$$

Multiple Choice

Multiply or divide and write scientific notation for the result.
- $$\frac { 20 \times 10 ^ { 6 } } { 4 \times 10 ^ { 7 } }$$

A) $10 \times 10 ^ { 13 }$
B) $10 \times 10 ^ { - 1 }$
C) $5 \times 10 ^ { - 1 }$
D) $5 \times 10 ^ { 13 }$