Question

evaluate 10!/5!5!
A. 1
B. 120
C. 210
D. 252
I think it would be A. 1

Answer 1

D. 252

Answer 2

can you explain the steps please

Answer 3

\[\frac{ 10! }{ 5!*5! }=\frac{ 10*9*8*7*6*5! }{5!*5! }=\frac{ 10*9*8*7*6 }{ 5! }\]\[=\frac{ (2*5)*(3*3)*(2*4)*(7)*(2*3) }{ 1*2*3*4*5 }= (3)*(2)*(7)*(2*3) =42*6=252\]@deigo

Answer 4

@deigo

Answer 5

Medal? -.-

Answer 6

thank you