Respuesta :

Answer:

D. 343

Step-by-step explanation:

For example=

7²=49

7=√49

(√49)²=49

Basically, you put a non negative number in ().

If you wanted to find the square of a number, just remember that square equals ² and so, all you do is times 7×7 twice.

Answer:

The Answer would be D. 343

Step-by-step explanation:

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