How To Convert Binary Number Into Decimal?
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To convert binary number into decimal, first write down the binary number. Starting from the right, assign each digit a power of 2 that corresponds to its position in the number. For example, the rightmost digit is the 1s place, the second digit from the right is the 2s place, and so on. Then, add up all the terms.
For example, to convert 10101 to decimal, start from the right.
1s = 1
2s = 2
4s = 4
8s = 8
Therefore, 10101 in binary is 21 in decimal.