## Prealgebra (7th Edition)

$(5-9)^{2}$ $\div$ $(4-2)^{2}$ Simplify inside parentheses. =$(-4)^{2}$ $\div$ $(2)^{2}$ Write $(-4)^{2}$ as 16 and $2^{2}$ as 4 =16 $\div$ 4 Divide = 4