It is: 21/50 = 0.42 as a decimal
0.021
21 in decimal form can be 21.0 or 21.00 or 21.000, or however many zeros you'd like to write after the decimal point.
It is: 21/100 = 0.21 as a decimal
You write it as 217000, exactly as in the question.A decimal number is simply a way of representing a number in such a way that the place value of each digit is ten times that of the digit to its right. A decimal representation does not require a decimal point. Adding zeros after the decimal point is wrong because they imply a degree of accuracy (significant figures) for which there is no justification.
.21
Decimal 21.0=21 percent 2100
It is: 21/50 = 0.42 as a decimal
If you mean 21/1000 then it is 0.021 as a decimal
21% written as a decimal is 0.21
21/8 = 2.625
"21 and a quarter" written as a decimal is 21.25 , regardless of its units.
0.21
0.021
21/10 as a decimal is 2.1
Since all percentages are out of 100, 21% is 21/100. Then, whenever you have a percentage, move the decimal two places to the left to get the decimal. So, because 21% can be written as 21. %, 0.21 is the decimal value for 21%.
2.1