Posted by 10M1 on Tuesday, December 20, 2011 at 5:11pm.
A negative exponent indicates division. Consider
x^-2 * x^2 = x^0 = 1
therefore,
x^-2 = 1/x^2
In your case,
2x^-2 = 2/x^2
A negative exponent in the numerator becomes positive in the denominator, and vice-versa. So,
x^-2/y^-3 = y^3/x^2
Related Questions
maths indices - Simplify: (2x+3)^3/2 + (2x+3)^-1/2 / 2x+3 Can anyone explain how...
Maths - suppose function f,g,h and l are defined as follow:f(x)=4xsquared-5x+1,g...
math - i am having a minor difficulty i've been stuck for over an hour and ...
Maths - This is part of the indices section, how do you work it out please: (8/...
algebra 2 - I am so stuck on this factoring thing. how do you solve: 1)15a(...
Algebra - I am so confused with the rules of exponents. I know them, but I have ...
Algebra - I'm not sure if anyone saw my question yesterday, but here it is ...
HISTORY - Explain what traces the rise of Japan from an isolated society to a ...
Math- Completely confused! - Simplify each expression (where possible) and ...
trig - 2sinxcosx+4sin^2xcos^2x=0 solve for x in radians between [0,2pi) (I mean ...
For Further Reading
