(81m² n⁵)/8 is equivalent to the given expression ((3m⁻¹ n²)⁴)/((2m⁻² n)³).
What is a expression?
"An expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context."
The given expression is:
((3m⁻¹ n²)⁴)/((2m⁻² n)³)
= (81m⁻⁴ n⁸)/(8m⁻⁶ n³)
= (81m² n⁵)/8
Therefore, the value of the given expression is (81m² n⁵)/8.
Learn more about an expression here: https://brainly.com/question/10022386
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