Question

$4! \times 9! \\ 10! \times 7!$
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Answer 1

$\sf Veja~Abaixo$

Cálculos:

$\large\boxed{\begin{array}{lr} \large \sf \:4!\times9! \\ \\ \large \sf \:24\times362.880\\ \\ \large \sf \:8.709.120 \end{array}}$

Resposta:

8.709.120

$\large\boxed{\begin{array}{lr} \large \sf \:10!\times4! \\ \\ \large \sf \:3.628.800\times5.040\\ \\ \large \sf \:1{,}8289152... \end{array}}$

Resposta:

1,8289152...

Bons  estudos =)