3 years ago

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

Mathematics

1 answer:

lisabon 2012 [21]3 years ago

5 0

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

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