3
10 x 10 x 10 = 1000 = 10


         3
2.32 x 10   =  2.32 x 1000 = 2320

1 light year =
          12
9.454 x 10   km ~  1 light year

9454000000000 km =  1 light year

100 light years =  945400000000000 km x 100
1 LY   =   9454000000000 KM 
100 LY = 945400000000000 KM 

	  14
9.454 x 10   km ~  100 light year


Computers work with base 2 (binary)
--------------------------
Binary       Decimal
-----------  -------
          1	1
         10	2
        100	4
       1000	8
      10000	16
     100000     32
    1000000     64
   10000000     128
  100000000     256 
 1000000000     512
10000000000     1024

     0
1 x 2  =    1 x 1 =   1 

     1
1 x 2  =    1 x 2 =   2

     2
1 x 2  =    1 x 4 =   4

     3
1 x 2  =    1 x 8 =   8

     4
1 x 2  =    1 x 16 = 16

--------------------------------------



       0
1.0 x 2  =    1 x 1 =   1 

       1
1.0 x 2  =    1 x 2 =   2

       2
1.0 x 2  =    1 x 4 =   4

        3
1.0  x 2  =   1 x 8 =   8

       4
1.0 x 2  =    1 x 16 = 16    .... looks like scientific notation

--------------------

Binary							       Decimal
------                                                         -------

       0                                        0
1.1 x 2  =    1.1 in binary = 1.5 in decimal x 2   = 1.5 x 1 = 1.5      

Adding 1 to an exponent (in binary)  ..... x 2
Adding 1 to an exponent (in decimal) ..... x 10

       1
1.1 x 2  =    1.1 x 2 = 3 in decimal

       2
1.1 x 2  =    1.1 x 4 = 6 in decimal

       3
1.1 x 2  =             12 in decimal

       4
1.1 x 2  =             24 in decimal


----
       1 => move point forward 1 place if you want to express it as a normal number.
1.1 x 2  =    11 (base2)  = decimal?  3


       2
1.1 x 2  =  move point forward 2 places = 110 (base 2) = decimal? 6


        3
1.1  x 2  = move point forward 3 places = 1100 = 12
					  1100 (. is implied)

---------------------------------------------
Example
---------------------------------------------
        6
1.1  x 2  = decimal ?



        6
1.1  x 2  = decimal ?
	    Firstly, move point forward 6 places.

11      (1 place forward)
110     (2 places forward)
1100    (3 places forward)
11000   (4 places forward)
110000  (5 places forward)
1100000 (6 places forward)


1100000 (6 places forward)

1    1   0  0  0 0 0 
64  32   16 8  4 2 1

1x0   =  0
2x0   =  0
4x0   =  0
8x0   =  0
16x0  =  0
32x1  = 32
64x1  = 64+
       ---
	96

     
        6
1.1  x 2  = 1100000 = 96 decimal
---------------------------------------------
End of Example
---------------------------------------------