Question

13^x=1/169 прошу помогите!!

Answer 1

13^x=13^(-2)
x=-2
1/169 1/169= 13^(-2)
169= 13^2

Answer 2

${13}^{x} = \frac{1}{169} \\ {13}^{x} = {169}^{ - 1} \\ {13}^{x} = {13}^{ - 2} \\ x = - 2$