Quantitative Methods - Unit 1 > Indices/Powers
 
 
Positive Indices l Negative Indices l Multiplying l Dividing l Fraction Powers l Standard Form l Summary

Multiplying Numbers with Powers
 

Worked examples


  1. 23 x 22

      =  

    2 x 2 x 2    x    2 x 2

      =  

    25


  2. 35 x 32

      =  

    3 x 3 x 3 x 3 x 3    x    3 x 3

      =  

    37
     

The rule is

When you multiply numbers with powers you add the powers.