# How do you simplify 5^2 - 2^4?

Nov 1, 2015

Just work out the powers and subtract

#### Explanation:

${5}^{2} = 25 \mathmr{and} {2}^{4} = 16 \to$
$25 - 16 = 9$

Nov 1, 2015

5^2 - 2^4= color(green)(9
${5}^{2} = 5 \times 5 = 25$
${2}^{4} = 2 \times 2 \times 2 \times 2 = 16$
5^2 - 2^4 = 25 - 16 = color(green)(9