What is the value of 7 cubed? A. 14 B. 21 C. 49 D. 343

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.