SOLUTION: Hi--can anyone tell me if i did this right? (t^-8)^2/(t^-5)^9 i got: 1/t^29 Thanks in advance for you hlep.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Hi--can anyone tell me if i did this right? (t^-8)^2/(t^-5)^9 i got: 1/t^29 Thanks in advance for you hlep.      Log On


   

Question 21803: Hi--can anyone tell me if i did this right?
(t^-8)^2/(t^-5)^9
i got:
1/t^29
Thanks in advance for you hlep.
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
%28t%5E-8%29%5E2%2F%28t%5E-5%29%5E9
%28t%5E-16%29%2F%28t%5E-45%29

When you divide with the same base number, you must subtract exponents, and be very careful of the signs:
t%5E%28-16-%28-45%29%29+
t%5E%28-16%2B45%29
t%5E29

I get a positive exponent!!

R^2 at SCC