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Mathematics 10 Online
OpenStudy (anonymous):

what is 20!

OpenStudy (anonymous):

20 is .1

OpenStudy (solomonzelman):

\(\Large\color{blue}{ \sf 20!=1 \times 2\times3\times4\times5\times6~...~\times18\times19\times20.}\)

OpenStudy (solomonzelman):

Similarly \(\Large\color{blue}{ \sf 7!=1 \times 2\times3\times4\times5\times6~\times7.}\)

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