Binary to decimal is actually very simple.
Here is a "Base 10" (Decimal) number 7.
Binary is logically laid out in groups of 4 like:
0000 0000 0000 0111
It is read Right to Left and each 0/1 has a "Place Value". Starting at the right and moving left you have (1,2,4,8) (16,32,64,128) (256,512,1024,2048) (4096,8192,16384,32768).
Now, every where that there is a ONE you take its "Place Value" and add all of them up.
So, in our example we have 0111
i.e. (1 + 2 + 4 = 7)
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By performing a base conversion. There are several algorithms for doing this.
The most commonly used manual algorithm for base conversions is a variant of long division.
Or you can do it on a converting calculator in a single keystroke.
To convert a decimal number to any other base (using long division):
eg to convert decimal number 233 to binary (base 2):
233 ÷2 = 116 r 1
116 ÷ 2 = 58 r 0
58 ÷ 2 = 29 r 0
29 ÷ 2 = 14 r 1
14 ÷ 2 = 7 r 0
7 ÷ 2 = 3 r 1
3 ÷ 2 = 1 r 1
1 ÷ 2 = 0 r 1
→ 23310 = 111010012
eg to convert decimal 233 to octal (base 8):
233 ÷ 8 = 29 r 1
29 ÷ 8 = 3 r 5
3 ÷ 8 = 0 r 3
→ 23310 = 3518
False.
Yes providing you change the fractions into decimals or change the decimals into fractions
Because multiplication is a binary operation that is defined so that it is valid for all numbers.
All numbers can be changed from fractions to decimals.
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