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15-01-2018
Mathematics

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Multiple Choice: Please select the best answer.

Evaluate this exponential expression.

4 x (2 + 5)^2 - 5^2 =

A. 46

B. 144

C. 8

D. 171

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Respuesta :

16-01-2018

D. 171

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Explanation:

4(2+5)^2 - 5^2

4 x 7^2 - 5^2

4 x 49 - 25

196 - 25

171

Answer: D. 171

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