Which of the following is the correct binary representation of the decimal…

To convert the decimal number 45 into binary:

45 ÷ 2 = 22 remainder 1
22 ÷ 2 = 11 remainder 0
11 ÷ 2 = 5 remainder 1
5 ÷ 2 = 2 remainder 1
2 ÷ 2 = 1 remainder 0
1 ÷ 2 = 0 remainder 1

Now, reading the remainders from bottom to top:

101101

So, the binary representation of decimal number 45 is 101101.