2001 AMC 12 Question 5
AMC12 · 2001 AMC 12
What is the product of all positive odd integers less than $10{,}000?$
$\dfrac{10000!}{(5000!)^2}$
$\dfrac{10000!}{2^{5000}}$
$\dfrac{9999!}{2^{5000}}$
$\dfrac{10000!}{2^{5000} \cdot 5000!}$
$\dfrac{5000!}{2^{5000}}$