Unit 3 grade 8 linear relationships end of unit assessment pls help it’s due tommorow and it’s 11:34 and I’m tired

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

What is the range? can’t seem to find it out

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.