1.8 & 1.9 - Number Systems & Conversion

Binary can be converted to denary (decimal / base 10) and hexadecimal and vice versa:

Converting binary to denary:  10101101 = 346

1. Write the numbers 1,2,4,8,16,32,64 and 128 above each digit in your binary value
2. Add up all the top numbers with a 1 beneath them
3. 1+4+8+32+128 = 173

128	64	32	16	8	4	2	1
1	0	1	0	1	1	0	1