100 in Decimal
Binary 100 equals 4 in decimal.
100 in all number bases
Decimal4
Hexadecimal0x4
Binary0100
Octal4
How 100 converts from binary to decimal
Multiply each digit by 2 raised to its position (starting at 0 from the right), then add the results:
1× 22 = 1 × 4 = 4
0× 21 = 0 × 2 = 0
0× 20 = 0 × 1 = 0
Sum: 4