How do you simplify (4x ^-2)/(5y)4x−25y leaving only positive exponents?
1 Answer
Aug 9, 2016
Explanation:
Using the
color(blue)"law of exponents"law of exponents
color(orange)"Reminder" color(red)(|bar(ul(color(white)(a/a)color(black)(a^-m=1/a^m)color(white)(a/a)|)))
rArrx^(-2)=1/x^2
rArr(4x^-2)/(5y)=4xx1/x^2xx1/(5y)=4/(5x^2y)