Question

[(-0,5)^3]^8=1/64

Answer 1

Câu hỏi là gì bn

Answer 2

Ta có: \(\left[\left(-0.5\right)^3\right]^x=\dfrac{1}{64}\)

\(\Leftrightarrow\left(-\dfrac{1}{2}\right)^{3x}=\dfrac{1}{64}\)

\(\Leftrightarrow3x=6\)

hay x=2