Answer:
Step-by-step explanation:
0.75
Answer:

Step-by-step explanation:
To write the equation of a circle, use the formula
where the center of the circle is (h, k).
This means the equation is
.
Since the diameter is 8, the radius will be 4.
The equation is
.

Scientific notation for above vLue is :
Hope this helps?
Desmos is a great resource to help you understand the concept.