Simplify each expression. See Example 1. (-4x⁵) (4x²)

Simplify each expression. See Example 1. n⁶ • n⁴ • n

Simplify each expression. See Example 1. 9³ • 9⁵

Simplify each expression. See Example 1. (-3m⁴) (6m²) (-4m⁵)

Simplify each expression. See Example 1. (½ mn) (8m²n²)

Simplify each expression. Assume all variables represent nonzero real numbers. See Examples 2 and 3. (2²)⁵

Simplify each expression. Assume all variables represent nonzero real numbers. See Examples 2 and 3. (-6x²)³

Simplify each expression. Assume all variables represent nonzero real numbers. See Examples 2 and 3. -(4m³n⁰)²