To write 21 hundred-thousandths in standard form, you first recognize that "hundred-thousandths" is equivalent to dividing by 100,000. Therefore, 21 hundred-thousandths is 21/100,000. In standard form, this would be written as 0.00021.
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hundred thousandths = 1/100,000 → 4 and 21 hundred thousandths = 4 21/100000 = 4.00021
Twenty-one hundredths.
21/125
To write 21 thousandths in decimal form, you would place the decimal point three places to the left of the digit 2, as each place value represents a power of 10. Therefore, 21 thousandths in decimal form is 0.021.
105/441 = 5/21