Question

A square number whose digits add up to seven.

Answer 1

4's square number : 16

5's square number : 25

32's square number : 1024

40's square number : 1600

49's square number : 2401

50's square number : 2500

Explanation:

I might have missed a few but ...

Answer 2

list the squares

1x1=1

2x2=4

3x3=9

4x4=16

16 the answer because 1+6=7

hope this helps if you have any questions you can ask

Explanation: