How do you write $30 \times 29 \times 28 \times 3 \times 2 \times 1$ $30times29times28times3times2times1$ as a ratio of factorials?

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Answer 1 · 2015-11-17T12:25:48

$\frac{30! \times 3!}{27!}$ $(30!xx3!)/(27!)$

There are many ways to do this.

One way for example is as follows :

$\frac{30! \times 3!}{27!}$ $(30!xx3!)/(27!)$

How do you write 30×29×28×3×2×130times29times28times3times2times1 as a ratio of factorials?