In week 3, I learned about, exponent laws.

 

There are few kinds and here is an example.

 

Multiplication law

When you do this, you just need to add a little number which is at upper right of a

Division law

When you do this, it is pretty similar to  Multiplication law. You just need to sub

Power law

カッコの中の全部がn にかかっているからカッコの中全部をn乗することになる。

 

ポイントは、コピーということ。