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Practice problem

Fermi Problems — Definition & Examples

By Liza Sulkin

A factorial is the product of an integer and every positive integer before it. For example, 6!6! (said "six factorial") is 6⋅5⋅4⋅3⋅2⋅1=7206\cdot 5 \cdot 4 \cdot 3 \cdot 2\cdot 1=720.

Approximate the following expression without a calculator: 10!10!

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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