Ответ: 7m^2/n^2.
Объяснение:
4,9m^3n^(-4) : (0.7mn^(-2)) = 4.9/0.7* m^3/m * 1/(n^4) * n^2=
=7m^(3-1) /n^(4-2) = 7m^2/n^2.
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Ответ: 7m^2/n^2.
Объяснение:
4,9m^3n^(-4) : (0.7mn^(-2)) = 4.9/0.7* m^3/m * 1/(n^4) * n^2=
=7m^(3-1) /n^(4-2) = 7m^2/n^2.