Respuesta :

I'll do it in simple steps:
Do the numerator part first: -1+9=8, it's the same as 9-1=8.
Divide 8 by 2 (exponents); basically subtracting the exponents;= 6 
Answer: [tex] 5^{6} [/tex]
But...

5*5*5*5*5*5= 15,625
Answer: 15,625