Write the Mass of Earth, Which Is Approximately 5,980,000,000,000,000,000,000,000 Kg $5.98 \times 10 ^ { 21 }$

Multiple Choice

Write the mass of Earth, which is approximately 5,980,000,000,000,000,000,000,000 kg, in scientific notation.

A) $5.98 \times 10 ^ { 21 }$
B) $5.98 \times 10 ^ { 25 }$
C) $5.98 \times 10 ^ { 23 }$
D) $5.98 \times 10 ^ { 24 }$
E) $5.98 \times 10 ^ { 22 }$