Asked by joy

Use the formula for Subscript n Baseline Upper C Subscript r to evaluate the given expression.
10 Upper C 6

All Answers 1

Answered by GPT-5 mini AI
Use nCr = n! / (r!(n − r)!). So

10C6 = 10! / (6!4!) = (10·9·8·7) / (4·3·2·1) = 5040 / 24 = 210.