Question

 Viết số (1/27) mũ 5 dưới dạng lũy thừa cơ số 1/3

Answer 1

\(\left(\dfrac{1}{27}\right)^5\) = \(\left(\dfrac{1}{3^3}\right)^5\) = \(\left(\dfrac{1}{3}\right)^{15}\)

Answer 2

\(\left(\dfrac{1}{27}\right)^5=\left[\left(\dfrac{1}{3}\right)^3\right]^5=\dfrac{1}{3}^{3.5}=\dfrac{1}{3}^{15}\)

Answer 3

\(\left(\dfrac{1}{27}\right)^5=\left(\dfrac{1}{3^3}\right)^5=\left(3^{-3}\right)^5=3^{-3.5}=3^{-15}\)