Question

What is the decimal equivalent of the binary number 1102?

Answer 1

1102 is not binary! 1101 is.  (binary digits: 0 & 1)

from right digit to the left:$1 * 2^{0} + 0 * 2^{1} + 1 * 2^{2} + 1 * 2^{3} = 1 + 0 + 4 + 8 = 13$

Answer 2

As Decimal: 1102
As Binary: 0000010001001110
As Hexadecimal: 44E
Bits: 16
As Equation: 1024 + 64 + 8 + 4 + 2