Respuesta :

1. 2×2×2×2= 16
2. 1/4×1/4= 1/16
3.8×8= 64
4. 4×4×4=64
5.2/3×2/3×2/3= 8/27
6. 0.6×0.6= 9/25

8a. brackets
8b. 109 is the answer
sorry don't know the answer for the question 7.
hope it helps though.