Question

Which are perfect squares? Check all that apply.

•72
•36
•8
•16
•81
•64
•48

Answer 1

• 64, 16, 36, 81

Explanation:

• 
  `√(16) = 4`
• 
  `√(36) = 6`
• 
  `√(64) = 8`
• 
  `√(81) = 9`

Answer 2

Explanation:

.36 = .6^2

.16 = .4^2

.81 = .9^2

.64 = .8^2