Question

8 to the power of 2 + 7

Answer 1

(8^2) + 7 = 71
Because we start with parenthesis remember PEMDAS Parenthesis Exponents Multiplied Divided Addition Subtract.  
So 8 To the power of 2 is 64 so 64 plus 7 Is 71. 
I hope i had helped.

Answer 2

(8^2) + 7 = 71
hope this helps