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Answered

in a 10 item mathematics problem solving test how many ways can you select five problems to solve​

Sagot :

Jovelynshopeego

Answer:

120 ways

Step-by-step explanation:

combination problem

formula-C(n-r)=n!/r!(n-r)!

C(10,3)=10!/3(10-3)!

=10!/3!7!

=10*9*8*7/3*2*1 7

cancel 7

10*9*8/3*2*1

=720/6

=120 ways

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