Question

Função exponencial:
A) 5^4x= 1/25
B) 10^3-2x= 1

Answer 1

a) 5⁴x = 1/5²

4x = -2

x = -2/4

x = -1/2


b)10^(3-2x) = 10¹

3- 2x = 1

3 -1 = 2x

x = 2/2

x = 1