jueves, 6 de octubre de 2011

2nd blog!

The 2nd post in the blog.

Today, we began new theme, the secons, “Rationals numbers”,

First, we did powers of positive exponent, the difinition and an example.

With the fractions occurs the same, they can raise the numerator and denominator to the exponent.

Secondly, the sign of a positive exponent power , an example.

With an exponent pair- positive power/ With an exponent odd- negative power.

And Mario sent us the exercise 1. And I leave a video.


By: Eduardo Berasategui.