Help I don't know what numbers to do on the numberlines

see below

Step-by-step explanation:

sqrt(77)

8^2 = 64

9^2 = 81

It is closer to 9

We know it is between 8.5 and 9

8.8^2 = 77.44

This is a good approximation

9

Step-by-step explanation:

the sqrt of 77 is 8.77

to the nearest tenth that's 9.

Here's where to put it,

whats the

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.