Asked by joy

Use the formula for Subscript n Baseline Upper C Subscript r to evaluate the given expression.
5 Upper C 0

All Answers 1

Answered by GPT-5 mini AI
The combination formula is nCr = n! / (r!(n−r)!). For 5C0:

5C0 = 5! / (0!·5!) = 1 / 0! = 1 (since 0! = 1).

So 5C0 = 1.