Answer :
[tex]13^2*13^{-4}*13^5= 13^7*13^{-4}\to\boxed{13^3} [/tex]
When you have exercices like this tipe you write the base and add the exponents.the exponents are: 2; -4 and 5 so you put them in a sum:
2+ (-4) + 5=
=2 -4+5=
=7 -4=
=3
When you have exercices like this tipe you write the base and add the exponents.the exponents are: 2; -4 and 5 so you put them in a sum:
2+ (-4) + 5=
=2 -4+5=
=7 -4=
=3
