I didn't know which equation you were asking about, so I solved for both of them. I hope this helps!
Ignore the first guy who answered this question
Answer: you can find the area of a circle by multiplying the radius by pi and then squaring it by 2
Step-by-step explanation:
Answer:
<h2><em><u>2x</u></em><em><u> </u></em><em><u>×</u></em><em><u> </u></em><em><u>2x</u></em><em><u> </u></em><em><u>×</u></em><em><u> </u></em><em><u>2x</u></em></h2>
Step-by-step explanation:

= <em><u>2x × 2x × 2x (In expanded notation form) (Ans)</u></em>