# Math Help - Negative Indices

1. ## Negative Indices

Having some trouble with the following 3 indices, any help, or advice would be appreciated. The question asks: Write these using negative indices.

4 (Four divided by X squared)
x2

a2 (a squared divded by b cubed)
b3

3 (3 divided by y to the power of 5)
y5

Once again any help or advice would be appreciated.

2. Originally Posted by Damtol
Having some trouble with the following 3 indices, any help, or advice would be appreciated. The question asks: Write these using negative indices.

4 (Four divided by X squared)
x2

a2 (a squared divded by b cubed)
b3

3 (3 divided by y to the power of 5)
y5

Once again any help or advice would be appreciated.
here's what you need to know: $\frac 1{x^a} = x^{-a}$