(16^3) + 3x(16^2) + Ax(16^1) + Cx(16^0)
start at left:

12X1 = 12
10X16=160
3X256=768
total = 940

Decimal to HEX
Convert 940 to hex

16|940=12 “C”
16|58 = 10 “A”
r =3
answer: 3AC

Decimal to binary:
87 to binary

2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1
0 1 0 1 0 1 1 1

87-64 =23
23- 16=7
7- 4= 3
3-2=1
1-1=0
Done!
Binary to Decimal

Convert 11010011 to Decimal:

2^7 2^6 2^5 2^4 2^3 2^2 2^1 2^0
128 64 32 16 8 4 2 1
1 1 0 1 0 0 1 1

add it:
128 + 64 + 16 + 2 + 1 =211 Done!

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