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Express it as a sum of powers of 2, thus: 15 = 8 + 4 + 2 + 1. The binary representation has a one for every power of two that is present and 0 when not. So 15, in binary, is 1111.

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9y ago
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8y ago

15 written as a binary number is 1111.

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Q: How do you convert 15 to a binary number?
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