Question

Carilah nilai X dari pertayaan berikut.
1. 4 pangkat X = 1/16
2. X pangkat -3 = 1/27


pake cara ya,,

Answer 1

4^x = 1/16
4^x = 16⁻¹
4^x = 4⁻²
x = -2

x⁻³ = 1/27
x⁻³ = 27⁻¹
x⁻³ = 3⁻³
x = 3