Evaluate
20
Factor
2^{2}\times 5
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\frac{720}{3!\left(6-3\right)!}
The factorial of 6 is 720.
\frac{720}{6\left(6-3\right)!}
The factorial of 3 is 6.
\frac{720}{6\times 3!}
Subtract 3 from 6 to get 3.
\frac{720}{6\times 6}
The factorial of 3 is 6.
\frac{720}{36}
Multiply 6 and 6 to get 36.
20
Divide 720 by 36 to get 20.
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Limits
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