## Prealgebra (7th Edition)

$(2-7)^{2}$ $\div$ $(4-3)^{4}$ Simplify inside parentheses. = $(-5)^{2}$ $\div$ $(1)^{4}$ Write $(-5)^{2}$ as 25 and $1^{4}$ as 1 = 25$\div$ 1 Divide = 25