Question

27-4(26-2×3)to the 2nd power

Answer 1

First do the ones in the parentheses. So, 2x3=6. 26-6=20. 20^2=400. Now you have 27-4x400. 4x400=1600. 27-1600=-1573.

Answer 2

You do order of the operation
Which is PEMDAS which means Parenthesis, Expontents, Multiplication, Division, Addition, Substration. The answer is 1573