Question

[Nguyễn Minh Tuấn]

Bài 27: Tính

a) \(\left(\dfrac{-1}{3}\right)^4\)

b)\(\left(\dfrac{-9}{4}\right)^3\)

c) \(\left(-0,2\right)^2\)

d) \(\left(-5,3\right)^0\)

Answer 1

[Lấp La Lấp Lánh]

a) \(=\dfrac{\left(-1\right)^4}{3^4}=\dfrac{1}{81}\)

b) \(=\dfrac{\left(-9\right)^3}{4^3}=\dfrac{-729}{64}\)

c) \(=\left(-\dfrac{2}{10}\right)^2=\left(-\dfrac{1}{5}\right)^2=\dfrac{1}{25}\)

d) \(=1\)

Answer 2

[Nguyễn Hoàng Minh]

\(a,=\dfrac{1}{81}\\ b,=\dfrac{729}{64}\\ c,=0,04\\ d,=1\)