Question

Find the values of the falowing 9!9!/10!7!

Answer 1

Answer:

Step-by-step explanation:

9! * 9!                / 10! * 7!

131681894400 / 18289152000 = 7.2

Answer 2

$\bf \cfrac{9!9!}{10!7!}\implies \cfrac{~~\begin{matrix} 9! \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~9\cdot 8\cdot ~~\begin{matrix} 7! \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{10\cdot ~~\begin{matrix} 9! \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~\cdot ~~\begin{matrix} 7! \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}\implies \cfrac{72}{10}\implies \cfrac{36}{5}\implies 7.2$