Question

Planet Earth has a mass of
`5.9726 * 10^(24)\\` kilograms. And although 70% of the Earth's surface is made of water, the water's mass is only
`5 * 10^(-4)` percent of the Earth's total mass. Use scientific notation to estimate the mass of the planet's water. In your final answer, include all of your estimates and calculations.

Answer 1

the estimate of the mass of the planet water be
`2.9863 * 10^(19)`

Explanation:

The computation of the estimate the mass of the planet's water is given below:

As we know that

The mass of the water would be the percentage of the total mass of the earth

So let us assume the W be the mass of the water

So,

`= 5*10^(-4) (1 / 100) (5.9726*10^(24))\\\\= 5 * (5.9726) x 10^((-4 + -2 + 24))\\\\= 29.863 * 10^(18)\\\\= 2.9863 * 10^(19)`

Hence, the estimate of the mass of the planet water be
`2.9863 * 10^(19)`