Answer:
i believe it is c)82 but i may be wrong
Step-by-step explanation:
Answer:
Length of arc AB = 4π
Step-by-step explanation:
Formula to get the arc length is given by,
Length of arc = 
Here, θ = central angle subtended by the arc AB
r = Radius of the circle
By substituting the values in the formula,
Therefore, length of arc AB = 
= 40π
The answer will be 46,200 Hopes this helps. :)
Answer:

Step-by-step explanation:
We have that
, we want to find
.
We can rewrite this function with positive index to get:

We need to substitute
into the given function to get:

This implies that:

In scientific notation:
