No
Hopefully you
Got it correct
To evaluate the combination we proceed as follows:
21C3
Given nCk we shall have:
n!/[(n-k)!k!]
thus plugging the values in the expression we get:
21!/[(21-3)!3!]
=21!/(18!×3!)
=1330
Answer: 1330
Answer:
You should evaluate whatever is in the parenthesis first.
Answer:
try doing it on your own so you can get better at it
Answer:
x=4
Step-by-step explanation:
12=4-4x
4-4x=12
Add 4 to both sides
4x=16
Divide by 4
x=4