Question

Simplify. (43)5
A) 4-2
B) 43
C) 48
D) 415

Answer 1

When a number is in parenthesis next to another number, it means multiplication. 

(43)5 
43 * 5 = 215

I don't see the answer here, but I'm sure it is the right one. 

Hope this helps! :) 

Answer 2

(4^3)^5 = Answer D, 4^15