SOLUTION: when they say : evaluate , do they mean write it out? ex. 9^2 1)9*9 ? or 2) 9*9 = 81 and when they say twice a number do they mean 2x or two times?

Algebra ->  Human-and-algebraic-language -> SOLUTION: when they say : evaluate , do they mean write it out? ex. 9^2 1)9*9 ? or 2) 9*9 = 81 and when they say twice a number do they mean 2x or two times?      Log On


   

Question 44168: when they say : evaluate , do they mean write it out?
ex. 9^2
1)9*9 ?

or 2) 9*9 = 81

and when they say twice a number do they mean 2x or two times?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Normally, evaluate means to do everything you can, mathematically, to arrive at the simplest equivalent value for the expression in question, so yes, 81 is correct.
When the phrase "twice a number" is used, it means to merely multiply such a number by two.