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## Homework Statement

A sphere has a radius of 5 m. How many 5cm diameter spheres can it contain?

## Homework Equations

Volume of a sphere= 4/3π r^3

## The Attempt at a Solution

5m=500 cm

volume of large sphere/ volume of small sphere

4/3π (500)^3/ 4/3π (2.5)^3

=8,000,000 spheres

This answer doesn't seem reasonable. What am I doing wrong?