Question

Please help me with this math problem (simplify the expressions and please show work)

Answer 1

9514 1404 393

Answer:

  10x^6

Step-by-step explanation:

The applicable rule of exponents is ...

  (a^b)(a^c) = a^(b+c)

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  $(5x^4y^5)(2x^2y^{-5})=(5)(2)(x^{4+2})(y^{5-5})=10x^6y^0=\boxed{10x^6}$