The mass of the Earth s oceans is only about $\frac { 1 } { 4400 }$ that of the Earth. If the mass of the Earth is $6.402 \times 10 ^ { 21 }$ tons, find the mass of the oceans.
A) $2.81688 \times 10 ^ { 22 }$ tons
B) $2.81688 \times 10 ^ { 21 }$ tons
C) $1.455 \times 10 ^ { 18 }$ tons
D) $1.455 \times 10 ^ { 19 }$ tons
E) $1.455 \times 10 ^ { 20 }$ tons

Question

Quizplus · Accepted Answer

To find the mass of the oceans, divide the mass of the Earth by 4400: $ \frac{6.402 \times 10^{21}}{4400} = 1.455 \times 10^{18} $ tons.

The Mass of the Earth S Oceans Is Only About 14400\frac { 1 } { 4400 }44001​

The Mass of the Earth S Oceans Is Only About $\frac { 1 } { 4400 }$