Question

9²³¹:3¹²³⁴=?????

Answer 1

\(9^{231}\div3^{1234}=\left(3^2\right)^{231}\div3^{1234}=3^{2\times231}\div3^{1234}\)\(=3^{462}\div3^{1234}=3^{462-1234}=3^{-772}=\frac{1}{3^{772}}\)

nha bạn

Answer 2

\(9^{231}:3^{1234}=9^{231}:\left(3^2\right)^{617}=9^{231}:9^{617}=9^{\left(231-617\right)}=9^{-386}\)