10. Which of these is NOT a perfect square? a. 81 b. 100 C. X2 d. 42

asked Jan 13, 2022 167k views

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10. Which of these is NOT a perfect square?
a. 81
b. 100
C. X2
d. 42

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3 votes

Answer: 42 is not a square of a whole number

Step-by-step explanation: 81= 9², 100= 10², x²= x·x, 6²= 36 and 7²= 49

Mohit Chandel answered Jan 19, 2022

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