SOLUTION: Simplify b) (3*10^4)(7.1*10^3) c) (0.75)^2-3(4-8) It just says simplify but, i don't know what way. Scientific notation, order of operations, ect? The answers my te

Algebra ->  Signed-numbers -> SOLUTION: Simplify b) (3*10^4)(7.1*10^3) c) (0.75)^2-3(4-8) It just says simplify but, i don't know what way. Scientific notation, order of operations, ect? The answers my te      Log On


   

Question 942714: Simplify
b) (3*10^4)(7.1*10^3) c) (0.75)^2-3(4-8)
It just says simplify but, i don't know what way. Scientific notation, order of operations, ect?
The answers my teacher gave me were:
b) 2.13*10^8 c) 12.56
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
(3 * 10^4)(7.1 * 10^3) = 21.3 * 10^7 = 2.13 * 10^8

(0.75)^2 - 3(4-8) = 0.5625 - 3(-4) = 12.5625