Which binary representation equals decimal 4?

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Multiple Choice

Which binary representation equals decimal 4?

Explanation:
Binary numbers use powers of two for each position, with the rightmost bit representing 2^0 and the next one 2^1, and so on. In a 4-bit layout the positions represent 8, 4, 2, and 1 from left to right. The decimal number 4 has only the 4’s place set to 1, so the pattern is 0 1 0 0, written as 0100. The other patterns correspond to 5 (0101), 3 (0011), and 8 (1000). Leading zeros don’t change the value, so 0100 correctly represents decimal 4.

Binary numbers use powers of two for each position, with the rightmost bit representing 2^0 and the next one 2^1, and so on. In a 4-bit layout the positions represent 8, 4, 2, and 1 from left to right. The decimal number 4 has only the 4’s place set to 1, so the pattern is 0 1 0 0, written as 0100. The other patterns correspond to 5 (0101), 3 (0011), and 8 (1000). Leading zeros don’t change the value, so 0100 correctly represents decimal 4.

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