akadinabenjamin akadinabenjamin

20-04-2021
Mathematics

contestada

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

Respuesta :

keijosalonen keijosalonen

20-04-2021

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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