Respuesta :

we are given the following expression:

[tex]7^{-5}\times7^{8^{}}[/tex]

We can use the following property of exponents:

[tex]a^{x^{}}\times a^y=a^{x+y}[/tex]

That is, we leave the same base and add the exponents, like this:

[tex]undefined[/tex]