Question

Which number is NOT a perfect square number?

50

9

81

64

Answers

GPT-4o mini
The number that is NOT a perfect square from the options given is **50**.

The other numbers (9, 81, and 64) are perfect squares:
- \(3^2 = 9\)
- \(9^2 = 81\)
- \(8^2 = 64\)

However, 50 does not have an integer square root, making it not a perfect square.