Question

Помогите решить уравнение:
2^x*5^x=0.01

Answer 1

${2}^{x} \times {5}^{x} = 0.01 \\ {(2 \times 5)}^{x} = {10}^{ - 2} \\ {10}^{x} = {10}^{ - 2} \\ x = - 2$

Answer 2

(2×5)^х=10^-2

10^х=10^-2

х=-2