Answer:

Step-by-step explanation:
Formula of circumference is 
r = radius
plug in the numbers into formula to get
which will eqaul 
Yeah what do you need help on
The interior angles of a shape are the angles inside the shape. The exterior angles are the angles formed between a side-length and an extension. Rule: Interior and exterior angles add up to 180 ° 180\degree 180°.
9514 1404 393
Answer:
rules of exponents apply
Step-by-step explanation:
The applicable rules of exponents are ...
a^-b = 1/a^b
(a^b)(a^c) = a^(b+c)
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Applying those rules to the given equation, you get ...
