A Binary Number is made up of only 0s and 1s.
110100
Example of a Binary Number
There is no 2, 3, 4, 5, 6, 7, 8 or 9 in Binary!
A "bit" is a single binary digit. The number above has 6 bits.
Binary numbers have many uses in mathematics and beyond.
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.
Base 8 is known as octal and base 16 is hexadecimal.. In octal, 0 to 7 are used, so if we counted to 20, the progression would be as follows: 1,2,3,4,5,6,7,10,11,12,13,14,15,16,17,20,21,22,23,24 In hexadecimal, the numbers 0-9 are used and the letters A-F are used. Counting to 20 would be as follows: 1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,10,11,12,13,14
The number 20 in binary is 10100
The binary numbers from 1 to 20 are...1 = 12 = 103 = 114 = 1005 = 1016 = 1107 = 1118 = 10009 = 100110 = 101011 = 101112 = 110013 = 110114 = 111015 = 111116 = 1000017 = 1000118 = 1001019 = 1001120 = 10100
Decimal 20 is 10100 in binary
15 = 111116 = 10000 17 = 10001 18 = 10010 19 = 10011 20 = 10100
To factorise is to find the numbers that divide into the original number by only using prime numbers. For example factorise 20 = 2 times 2 times 5
23 29 31 37 41 43 47
The number "10001" is the number 17 in binary (base two). 24 + 20 = 16 + 1 = 17
10100
20
In any given set, the mean is the average, which is the total of the numbers divided by how many numbers there are. Ex. (10, 17, 20, 45, 68) 68 + 45 + 20 + 17 + 10 = 160 There are 5 numbers in this set. 160/5 = 32 The mean is 32.