Question

Subtract 4 to the binary 1001 1001. Answer should be in binary, no spaces.

Answer 1

To subtract 4 from the binary number 10011001, first convert 4 to binary as 0100, perform binary subtraction, and the result is 10010101.

Step-by-step explanation:

To subtract 4 from the binary number 10011001, convert 4 into binary which is 0100, and then perform binary subtraction:

• 10011001
• -00000100

We start from the rightmost bit and move left, borrowing from the next bit to the left when necessary:

• 10011001
• - 00000100
• __________
• 10010101

The result of the subtraction 10011001 - 0100 is 10010101 in binary.