Question

Determine o valor x em cada caso​

Answer 1

3^x = 1/81
3^x = 3-⁴ ==> x=-4

10^x = 1000000
10^x = 10^6 ===> x=6

5^x = 2/10
5^x = 1/5
5^x = 5-¹ ===> x= -1

10^x = 10^-8 ==> x =-8

10-³x = 10^-93
-3x = -93
3x = 93 =====> x=31