Answer:

Step-by-step explanation:
Given

Required
Write a formula
The above sequence shows a geometric sequence because:
-- common ratio
The equation is determined using:

Where

Substitute values for a and r

Apply law of indices:





<em>The above represents the explicit formula</em>
Answer:
2 AND 4
Step-by-step explanation:
Brainliest please
Answer:
It’s the first and the third one
Step-by-step explanation:
Answer:
Step-by-step explanation:
But the formula for the volume of a sphere is volume is equal to 4/3 pi r cubed, where r is the radius of the sphere. So they've given us the diameter. And just like for circles, the radius of the sphere is half of the diameter.