10101
The binary number 10101 represents 21.
5
5 multiplied by 2 is 10Answer:Consider the joke: There are 10 kinds of people in the world those who understand binary and those that don't.Binary uses powers of 2 to express numbers. Thus 20=1,21=2, 22=4 and so on (numbers shown in decimal). This is expressed as strings of numbers using either 0 or 1. Thus 0(binary) =0 (deciamal). 1(Binary)=1 (decimal) or 20, 10(binary)=2(decimal) or 21, 11=3 (decimal) =10+1(binary) = 21+20 and so on.
21
The number 21 in binary is 10101
The number 21 in binary is 10101
21 = 10101
21
10101
310=21 + 20 . That is 112 in binary system.
10101
10101
The binary number 10101 represents 21.
21
The binary code for eleven is 1011. 1011 = 23 + 21 + 20 = 8 + 2 + 1
16 + 4 + 1 =21