20 = 10100... 26 = 11010
21 = 10101... 27 = 11011
22 = 10110... 28 = 11100
23 = 10111... 29 = 11101
24 = 11000... 30 = 11110
25 = 11001...
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The sum of binary numbers is also a binary number.
The number 20 in binary is 10100
There are a few rules to perform arithmetic operations in binary numbers. According to those rules you can add or subtract binary numbers. There are only two arithmetic operations used in binary numbers, they are addition and subtraction.
The sum of 20, 30, and 45 is calculated by adding the three numbers together. So, 20 + 30 + 45 = 95. This is because addition is a basic arithmetic operation where you combine the values of the numbers to find the total.