SOLUTION: which expresssion is equivelent to 9ato the power of 5 over 3athe power of 7

Algebra ->  Exponents -> SOLUTION: which expresssion is equivelent to 9ato the power of 5 over 3athe power of 7      Log On


   

Question 596039: which expresssion is equivelent to 9ato the power of 5 over 3athe power of 7
Answer by math-vortex(648) About Me  (Show Source):
You can put this solution on YOUR website!
Hi, there--
.
9a%5E5%2F3a%5E7
.
We can simplify the coefficients since 9 divided by 3 is 3.
3a%5E5%2Fa%5E7
.
We can simplify a^5/a^7. Remember, when you divide exponential expresisons, you subtract the exponents; 5-7=-2
3a%5E-2
.
I hope that this is helpful. Feel free to email you you still have questiions about this.
.
Ms.Figgy
math.in.the.vortex@gmail.com