The problem

My aproach:

=

=

=

=

=

But according to the book the answer should be =

Mmm...-2 and -1 on the original problem should be exponents.

Results 1 to 4 of 4

- Apr 22nd 2009, 05:29 PM #1

- Joined
- Dec 2007
- Posts
- 96

- Apr 22nd 2009, 05:34 PM #2

- Apr 22nd 2009, 05:45 PM #3

- Joined
- Dec 2007
- Posts
- 96

- Apr 22nd 2009, 07:36 PM #4