Easy and fun math review questions. use pascal’s triangle to expand each binomial. (a+b)^5

Step-by-step explanation:

You need the 6th row of Pascal's triangle which contains the numbers 1, 5, 10, 10, 5, 1

Fill in the expansion as follows, using those numbers and the fact that a = 1 and b = 1:

That simplifies down nicely to

Those are fun!  Pascal's triangle is one of the coolest things ever!

ddsf

step-by-step explanation:

dfs

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

e2020 got it right