Pls help me I have to finish this

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

Simplify (2^5/3^2)^4 a. 2^20/3^8 b. 2^9/3^8 c. 8^5/12^2 d. 2/3^2