Question

valor da expressão 10!/7!

Answer 1

$\dfrac{10!}{7!} \to~~~ \dfrac{10\times 9\times8\times \not7!}{\not7!} \to~~~ 10\times 9\times8 \to~~~\large\boxed{\boxed{720}}$

Answer 2

$\frac{10!}{7!} = \frac{10*9*8*7*6*5*4*3*2*1}{7*6*5*4*3*2*1} = \frac{3.628.800}{5.040} =720$