iandinsmore iandinsmore

06-11-2020
Mathematics

contestada

Which of the following numbers is not a perfect square?
a. 49
b. 121
c. 125
d. 144

Respuesta :

unicorn3125 unicorn3125

09-11-2020

Answer:

C. 125

Step-by-step explanation:

49 = 7×7 ← a perfect square

121 = 11×11 ← a perfect square

144 = 12×12 ← a perfect square

but:

125 = 5×5×5 = 5√5×5√5 and 5√5 is not integer so 125 is not a perfect square

Answer Link

lexiemarteney lexiemarteney

14-04-2022

Answer:

C. 125

Step-by-step explanation:

source: trust me bro

Answer Link

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good job