Question

Determine o valor de A 15,3(arranjo)

Answer 1

A (15, 3) = 15.14 .13 = 210 .13 = 2730 ✓

Answer 2

Resposta:

$A_{15,3}=\dfrac{15!}{(15-3)!}=\dfrac{15.14.13.12!}{12!}=15.14.13=2730$