*  You will be assembling 4 expressions using order of operations.  The trick to this project is that you’ll be using the same 4 numbers written in the same order.  The only thing that will change in each expression will be the tools you’ll use from your toolbox.  The tools that you’ve learned so far for order of operations are parentheses, exponents, multiplying, dividing, adding, and subtracting. Here are the four numbers. Keep them in this order:
 
18           2              4              3 * Here are the tools in your toolbox:
 

* Listed below are the values you need to create.  
* 21 =
67 =
-6 =
103 =