Cách viết khác : \(\frac{16}{81}=\frac{2^4}{3^4}=\left(\frac{2}{3}\right)^4\)

Chúc bạn học tốt ^^

\(\left(\frac{16}{81}\right)=\left(\frac{2}{3}\right)^4\)

\(\frac{16}{81}=\left(\frac{-4}{-9}\right)^2=\left(\frac{2^2}{3^2}\right)^2=\left(\frac{\left(-2\right)^4}{\left(-3\right)^4}\right)=...\)

Lời giải:

Ta có:

Lời giải :

      Ta có :

 \(\frac{16}{81}\)\(=\)\(\left(\frac{4}{9}\right)^2\)\(=\)\(\left(\frac{-4}{9}\right)^2\)\(=\)\(\left(\frac{2}{3}\right)^4\)\(=\)\(\left(\frac{-2}{3}\right)^4\)

\(\dfrac{16}{81}=\left(\dfrac{2}{3}\right)^4\)

\(\dfrac{16}{81}=\left(-\dfrac{4}{9}\right)^2\)

\(\dfrac{16}{81}=\left(\dfrac{2}{3}\right)^4\)

\(\frac{16}{81}=\frac{2^4}{3^4}=\left(\frac{2}{3}\right)^4\)

\(\frac{25}{9}=\left(\frac{5}{3}\right)^2\)

2 mũ 3 phần 3 mũ 4 nha tk mình nhé

\(\left(\frac{4}{9}\right)^2nha\)

4/9 mét vuông

(2/3)⁴ nha bạn

\(\dfrac{16}{81}=\left(\dfrac{4}{9}\right)^2=\left(\dfrac{2}{3}\right)^4\)

\(\dfrac{16}{81}=\left(\dfrac{-4}{-9}\right)^2=\left(\dfrac{-2}{-3}\right)^4\)

\(\dfrac{16}{81}=\left(\dfrac{-4}{9}\right)^2=\left(\dfrac{-2}{3}\right)^4\)

\(\dfrac{16}{81}=\left(\dfrac{4}{-9}\right)^2=\left(\dfrac{2}{-3}\right)^4\)

Một số cách viết khác

\(\dfrac{16}{81}=\left(\dfrac{4}{9}\right)^2=\left(-\dfrac{4}{9}\right)^2=\left(\dfrac{2^2}{3^2}\right)^2=...\)

\(\frac{16}{81}=\left(\frac{2}{3}\right)^4\)

Trả lời :

\(\frac{81}{2401}=\left(\frac{3}{7}\right)^4=\left(\frac{9}{49}\right)^2=\left(\frac{81}{2401}\right)^1\)

~Study well~

#Thạc_Trân