Answer:
-2
Step-by-step explanation:
We have to multiply 10 and
Here we have to distribute the negative sign.
Distributive property = -(a) = -a
Using the above property, we get =
Now we have to multiply 10 and
= 10 ×
=
=
Now we have to divide -10 by 5.
= -2
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Explanation:
You can use the nCr formula shown below
where n = 39 and r = 1. However, you could also use the identity
which basically says there are n ways to pick 1 item if you are given a choice of n items. In this specific case, we have 39 items total, and there are 39 ways to pick one item.