Write the following decimal number in binary.

133

133 in binary is 10000101.

To convert the decimal number 133 into binary, follow these steps:

1. Start by dividing the decimal number by 2.
133 ÷ 2 = 66 Remainder 1

2. Divide the quotient obtained in Step 1 by 2.
66 ÷ 2 = 33 Remainder 0

3. Repeat the division process until the quotient becomes 0.
33 ÷ 2 = 16 Remainder 1
16 ÷ 2 = 8 Remainder 0
8 ÷ 2 = 4 Remainder 0
4 ÷ 2 = 2 Remainder 0
2 ÷ 2 = 1 Remainder 0
1 ÷ 2 = 0 Remainder 1

4. Take the remainders in reverse order (from bottom to top) to get the binary equivalent.
133 in binary is 10000101.

Therefore, the binary equivalent of the decimal number 133 is 10000101.