draw structural formulae for each of the following condensed.

* CH3 - (CH2)3 - CH3
* CH3 - (CH2)2 - CH(CH3) - (CH2)2 -CH3

The structural formula for CH3 - (CH2)3 - CH3 is:

H H H H
| | | |
C - C - C - C - C
| | | |
H H H H

The structural formula for CH3 - (CH2)2 - CH(CH3) - (CH2)2 - CH3 is:

H H H H H
| | | | |
H - C - C - C - C - C - C - C - C - C - H
| |
H H