Jackson uses the Fermi process to estimate the number of buckets of gravel he could store in a warehouse. The buckets are shaped like cylinders. The warehouse is shaped like a rectangular prism.

He estimates the buckets have a height of 25 in. and a diameter of 20 in.
He estimates the warehouse is 300 ft wide, 150 ft long, and 10 ft high.
Which expression should Jackson use in the process?

A. 8×10^9/8×10^4

B. 8×10^8/8×10^3

C. 5×10^6/8×10^3

D. 5×10^7/8×10^4

Can anybody help me asap please Really need the help