30PTS PLEASE HELP ASAP WILL GIVE BRAINLIEST
1. Which value for x makes the inequality x > 400 true?
A. 7^3
B. 4^4
C. 3^6
D. 6^3
2. What is the surface area in square centimeters of a cylinder with a height of 10cm and a radius of 6cm?
A. 136pi
B. 160pi
C. 192pi
D. 256pi