0.00021
hundred thousandths = 1/100,000 → 4 and 21 hundred thousandths = 4 21/100000 = 4.00021
"21 and a quarter" written as a decimal is 21.25 , regardless of its units.
21/10 as a decimal is 2.1
0.00321 in words is: three hundred twenty-one hundred-thousandths.
21.012
It is 8.021
0.021
If you mean 21/1000 then it is 0.021 as a decimal
6.00021 The first decimal place is tenths, then hundredths, thousandths, ten-thousandths, hundred-thousandths, etc. 21 hundred-thousandths must end in the hundred-thousandths place.
4 and 21 hundred-thousandths (4.00021) in standard form is: 4.00021 × 100
0.00021
hundred thousandths = 1/100,000 → 4 and 21 hundred thousandths = 4 21/100000 = 4.00021
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.
21over 150 written as a decimal = 0.14
21/8 = 2 and 5/8 or 2.625.
.21