Question

Find the number of permutations of the first 8 letters of the alphabet taking 5 letters at a time.
A. 1,680
B. 56
C. 6,720
D. 109

Answer 1

\[P _{5}^{8}=\frac{ 8! }{ (8-5)! }\]

Answer 2

did u get it

Answer 3

u know\[2!=2 \times 1\]

Answer 4

\[3!=3 \times 2 \times 1\]

Answer 5

so\[8!=8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1\]