Question

what are the binary representations of the following decimal numbers
  17,29,38

Answer 1

convert decimal to binary so divide by 2 and use the remainders in an reverse order
1. 17
Q R
16 - 1
8 -0
4-0
2-0
1-0
now take the remainders from bottom  10001.
2. 29
14-1
7-0
3-1
1-1
now take the remainders from bottom 11101

3. 38
19-0
9-1
4-1
2-0
1-0
now take the remainders from bottom 100110