Question

The decimal equivalent of the binary number 10110 is
1) 20
2) 22
3) 18
4) 14

Answer 1

Decimal equivalent is:
$1 \times {2}^{4} + 0 \times {2}^{3} + 1 \times {2}^{2} + 1 \times {2}^{1} + 0 \times {2}^{0}$
=22

2) 22