Question

Just show me how?
Evaluate the number of combinations of 10 things taken 4 at a time.

Answer 1

I'm assuming this is something related to probability? Is there any more information, it just seems rather vague?

Answer 2

This is all it gives me

Evaluate the number of combinations of 10 things taken 4 at a time.
A. 35
B. 210
C. 360
D. 520

Answer 3

Sorry, I'm a little rusty on probability terms. A combination is a selection of items (or numbers or anything really) in which their order doesn't matter.

Are you aware of the nCr function on your calculator?

Answer 4

How would I type it?

Answer 5

If you've not used it before, it may meant they want you to work it out the long way

Answer 6

I get it on my calculator by pressing shift ÷