expressions!!

Question

55-[(5^2 x3)-5^2]

 

 

2^2 + {[1x(5-2)]x3

Answer 1

you work from the inside out and exponents are evaluated first.

 

1.   55 - [75 - 25] = 55 - 50 = 5

 

2.   4 + [1 x 3] x 3 = 4 + 9 = 13