3 years ago

Evaluate C(44,21) use scientific notation, round to 3 decimal places as needed.

1 answer:

6 0

$C(44,21)=\dfrac{44!}{21!23!}=\dfrac{24\cdot25\cdot\ldots\cdot43\cdot44}{2\cdot3\cdot\ldots\cdot 20\cdot21}=2,012,616,400,080\\
\approx2.013\cdot10^{12}$

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