Question

Evaluate each expression 6! = 3! • 2= 31

Answer 1

N-FACTORIAL!

$\mathbb{ \color{brown} \: PROBLEM } \: \: \bold{{ \color{brown}{1}}} :$

$\mathcal{SOLUTION: }$

• $\: \bold{ \red{6!}= 6×5×4×3×2×1= \boxed{ \bold{ \blue{720}}}}$

Therefore, the value of 6! is 720.

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$\mathbb{ \color{brown} \: PROBLEM } \: \: \bold{{ \color{brown}{2}}} :$

$\mathcal{SOLUTION: }$

• $\bold{3! \cdot 2! }\implies \bold{(3×2×1) \cdot( 2×1 )}$

• $\: \: \: \: \: \: \: \: \: \: \: \: \implies \: \bold{ 6 \times 2} = \boxed{ \bold{ \blue{12}}}$

Therefore, the value of the given expression is 12.

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EXPLANATION:

• The mathematical symbol n! is read as "n factorial". The exclamation point "!" is read as factorial. And please remember or take note that 0! is equal to 1, and 1! is also equal to 1.

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