How do you evaluate -7-(2^4div8)?

1 Answer
Jun 18, 2015

Use the order of operations represented by PEMDAS: parentheses, exponents, multiplication and division, addition and subtraction.

Explanation:

-7-(2^4-:8) =

Do the operations inside the parentheses first.

Raise 2 to the power of 4.

2^4=16

-7-(16-:8) =

Next complete the division.

16-:8=2

Finally subtract 2 from -7.

-7-(2)=-9

-7-(2^4-:8)=-9