Suppose that you find in a reference book that the volume of all the oceans is 1.4×109km3. to find the mass, you can use the density of water, also found in this reference book, but first you must convert the volume to cubic meters. what is this volume in cubic meters? . express your answer in cubic meters.

The volume of all the oceans is

Given that we find in a reference book that the volume of all the oceans is 1.4 x 10⁹ km³.

To find the mass, we can use the density of water, also found in this reference book.

Firstly, we must convert the volume to cubic meters.

So, we have to convert the cubic kilometers to cubic meters.

From stair step conversion method, especially in cubic, each down one level must be multiplied by one thousand. We observe that from km³ to m³ down three steps, so

Or we make it more practical to be as follows:

The steps to convert km³ to cm³ are repeated like this,

Let us convert the volume of 1.4 x 10⁹ km³ to cubic meters.

Once converted, the volume of all oceans is obtained, i.e.,

Note:

To continue in calculating mass (m) based on density (ρ) and volume (V), use the formula:

Keywords: Suppose, in a reference book, the volume of all the oceans, is 1.4 × 10⁹ km³, the mass, the density of water, convert the volume to cubic meters, stair step conversion method, multiplied by, divided, drops

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