Answer:
D. 1662 cm
Step-by-step explanation:
A=πr2=π•23≈1661.90251cm²
which is 1661.9
but of course you have to round up for 1662 cm :)
The answer is 1,980
660*3= 1980
7 x 10^3
7 x 10 x 10 x 10