Respuesta :

Abu99
[tex](n)^{a} * (n)^{b} = n^{(a + b)} \\ So: \\ (-5)^{16} * (-5)^{9} = (-5)^{(16 + 9)} \\ = (-5)^{25}[/tex]
Hello there!

When multiplying powers you add them.
[tex]-15 ^{(16 + 9)} [/tex] = [tex] -15^{25} [/tex]

In short, the answer is [tex] -15^{25} [/tex].

Hope This Helps You!
Good Luck :)