Question

Convert the following binary numbers into their decimal equivalent.
1. (11010), = (?),
2. (10101), = (?),
3. (1111), = (?)
4. (10100), = (?)
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Answer 1

Answer:

11010=11

10101=7

1111=6

10100=6

Explanation:

Example:10101

=1*4+0*3+1*2+0*1+1*0

=4+0+2+0+0

=6

Answer 2

Answer:

11010 = 26 1A(hex)

10101 = 21

1111= 15

10100 = 20