Use the law of exponents and simplify the following...
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Step-by-step explanation:
1) (2^5*2^(-11))/2^(-7)
=2^5*2^(-11)*2^(7)
=2^(5-11+7)
=2^(1)
=2
2) [4^(-3)*x^(-5)*y^(-4)] / [4^(-5)*x^(-8)*y^3]
=[4^(-3)*4^5*x^(-5)*x^8] / (y^3*y^4)
=[4^(-3+5)*x^(-5+8)] / (y^(3+4))
=[4^(2)*x^3] / y^7
=16x^3/y^7
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