Expressed as a decimal, -21/100 = -0.21.
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Expressed as a decimal, 21/100 is equal to 0.21.
Twenty-one in decimal notation is 21. In Roman numeral notation it is XXI.
21/25 = 84/100 = 0.84 21 divided by 25 = 0.84
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 over 21 as a decimal = 0.0952382 over 21= 2/21= 2 ÷ 21= 0.095238