Answer: See Below explanation
Step-by-step explanation:
When you square something (for example: [tex]x^{2}[/tex] ) you multiply a number by itself. So this question is asking you this: what number, times itself equals 64?
Here are some clues:
[tex]2^{2} = 2*2 = 4\\4^{2} = 4*4 = 16\\6^{2} = 6*6 = 36\\\\8^{2} = 8*8 = ??[/tex]
