Respuesta :

kfaye01
19.) -5/6^3
20.) s^2•7^3
21.)4^2•b^4
Percivle

Answer:

(-5/6)³ or -(5/6)³

7³s²

4²b⁴ or (4b²)²

The power just comes to be how many time you multiply like terms and/or numbers.

*Yes, the parentheses matter.