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

Jun 18, 2015

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

#### Explanation:

$- 7 - \left({2}^{4} \div 8\right)$ =

Do the operations inside the parentheses first.

Raise $2$ to the power of $4$.

${2}^{4} = 16$

$- 7 - \left(16 \div 8\right)$ =

Next complete the division.

$16 \div 8 = 2$

Finally subtract $2$ from $- 7$.

$- 7 - \left(2\right) = - 9$

$- 7 - \left({2}^{4} \div 8\right) = - 9$