Question

(-5) ^3.4^6.(-5)^2:4(-5)^4

Answer 1

$\frac{( { - 5)}^{3} . {(4)}^{6} . {( - 5)}^{2} }{4. {( - 5)}^{4} } \\ \frac{( { - 5)}^{3 + 2}. {(4)}^{6} }{4. {( - 5)}^{4} } \\ \frac{ {( - 5)}^{5} . {(4)}^{6} }{4. {( - 5)}^{4} } \\ {( - 5)}^{5 - 4} . {4}^{6 - 1} = {( - 5)}^{1} . {4}^{5} = - 5120$