Answer:
9π units²
Step-by-step explanation:
To obtain an exact answer, use π, not an approximation such as 3.14.
A = πr² is the appropriate formula.
Here,
A = (3)^2·π units², or 9π units²
Answer:
C
Step-by-step explanation:

Use the Power of a Product Property, where:

Therefore:

6.5 is the answer for that problem