tolong yaa bantuan nya

[tex] 3^{-2} +2 ^{-3} \\ = \frac{1}{3^2}+ \frac{1}{2^3}\\ = \frac{1}{9}+ \frac{1}{8}\\ = \frac{8}{72}+ \frac{9}{72}\\ = \frac{17}{72} [/tex]

jawaban ada pada gambar ya