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Chemistry, 20.02.2020 09:01 merry69

A single grain of sand occupies a volume of about 0.004 cubic millimeters. Based on your previous answer, how many
grains of sand are on Earth's beaches?
There are 109 cubic millimeters in each cubic meter. Express your answer to the correct number of significant figures.
There are
10
grains of sand on the beaches.

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