Respuesta :

When we are dividing, exponents are subtracted!

The rule is shown below:

[tex]a^b\div a^c=a^{b-c}[/tex]

We can apply this rule to this problem as shown:

[tex]\begin{gathered} -5^7\div-5^2 \\ =-5^{7-2} \\ =-5^5 \end{gathered}[/tex]