It is simply: 21.0
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
To write 9.75 as a decimal, you simply write the whole number part followed by a decimal point and then the decimal part. Therefore, 9.75 can be written as 9.75 in decimal form.
.21
21% written as a decimal is 0.21
It is: 21/50 = 0.42 as a decimal
If you mean 21/1000 then it is 0.021 as a decimal
Decimal 21.0=21 percent 2100
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
To write 13 and 21 hundredths as a mixed decimal, you combine the whole number part with the decimal part. The whole number is 13, and the decimal part, representing 21 hundredths, is written as 0.21. Therefore, 13 and 21 hundredths is expressed as 13.21.
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%.