AIR MATH

Math Question

What does the following expression mean?
\( 7 ! \)
\[
\begin{array}{c}
7+6+5+4+3+2+1 \\
7 \cdot 6 \cdot 5 \cdot 4 \cdot 3 \cdot 2 \cdot 1
\end{array}
\]

Solution

solution

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