Question

Simplify the expression and write without negative exponents

(-5x^2y^-1)^4

^ means to the power of
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Thanks for helping

Answer 1

$( \frac{ - 5 {x}^{2} {y}^{ - 1} }{1} ) {}^{4} = (\frac{ - 5 {x}^{2} }{y} ) {}^{4} = \frac{ - 625 {x}^{6} }{ {y}^{4} }$