1. 1681\sqrt{\frac{16}{81}}8116​​ =

2. (56)2\left(\frac{5}{6}\right)^2(65​)2 =

3. 0.81=\sqrt{0.81}=0.81​=

4. 31000343=^3\sqrt{\frac{1000}{343}}=33431000​​=

5. 3512125=^3\sqrt{\frac{512}{125}}=3125512​​=

6. 31216=^3\sqrt{\frac{1}{216}}=32161​​=

7. (23)3=\left(\frac{2}{3}\right)^3=(32​)3=