Answer:
40320
Explanation:
using the definition
n =
n! = n(n - 1)(n - 2) .... × 3 × 2 × 1
then
8
=
= [ note that 0! = 1 }
= 8!
= 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1
= 40320
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