Respuesta :
Hence, the correct answer is (C)[tex]\frac{m^7.n^7}{mn^{-1}}[/tex]
What is an expression?
a mathematical phrase that can contain ordinary numbers, variables, and operators.
How to solve?
Given the expression [tex]\frac{m^7.n^7}{mn^{-1}}[/tex]
on simplification, if can be found,
=[tex]m^{7-1}.n^{3-(-1)}\\m^6.n^4[/tex]
which is the required answer.
to learn more about expressions https://brainly.com/question/1859113
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