, where it involves the multiplication of the same base, w, with varying powers. 
.![\displaytext\mathsf{w^3\:\times\:w^{-5}\:=\:w\:^{[3\:+\:(-5)]}\:=\:w^{-2}}](/tpl/images/2566/9782/1ea59.png)
. 
becomes a positive exponent by using the Negative Exponent Rule. 
W^3 x w^-5
please help and please explain...
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