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Visual Sharp · Answer 1 · 2015-08-01T22:42:20+0000

$13^2*13^(-4)*13^5= 13^7*13^(-4)\to\boxed{13^3}$

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

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