Posted by **kate** on Sunday, April 5, 2009 at 6:16pm.

I need help with a few problems...

(4^3 x 5^-2)(5^4 x 4^-5)/ 4^-3 x 5^3

and

(2^x+2) - (2^x+5) = -7

please help!:)

## Answer This Question

## Related Questions

- College Algebra - I need some help with a few problems. They are multiple choice...
- (Math)Simplifying using the laws of exponents - I need help with a few problems...
- Science gr 8 - Hi I really need help !! What are the 3 problems fluid technology...
- Math - 3) Explain how the laws of exponents work with rational exponents and ...
- math - I'm having trouble simplifying two problems with exponents. Please help. ...
- Exponents - I need to know if i answered this right. Use the laws of exponents ...
- Math - I need to correct my test and I figured out why I missed a few of them ...
- Math Help please!! - how do you do these problems?? 5-26 2-2/9 8-2/3 4/3+6 But I...
- Developmental Psychology - There are a number of ways that emotional or ...
- Math - how do you do these problems?? 5-26 2-2/9 8-2/3 4/3+6 But I can do these ...

More Related Questions