Exponential Function Help

**Gomaz23** · June 7th 2010, 01:28 PM

Can Anyone help me simplify these questions? Please and thank you

1. (4x^-2 y^3)^2

2. [(1x^-2)^3]^4

3. 5^-11/5^15

**pickslides** · June 7th 2010, 01:47 PM

Originally Posted by Gomaz23

1. (4x^-2 y^3)^2

$(4x^{-2} y^3)^2 = 4^2x^{-2\times 2} y^{3\times2} = 16x^{-4} y^{6}$

Originally Posted by Gomaz23

2. [(1x^-2)^3]^4

$1^{3 \times 4}x^{-2\times 3 \times 4}$

Finish him.

Originally Posted by Gomaz23

3. 5^-11/5^15

$\frac{5^{-11}}{5^{15}}= 5^{-11-15}$

Finish him.

Thread: Exponential Function Help