21/1000 is 0.021 as a decimal
As our numbering system is based on powers of 10 it is called decimal. In Latin Decem means 10. A decimal number is a number that consists of a whole number and a fractional part. Decimals use a system of numbers based on units of tens, which results in the spaces past the decimal point as tenths, hundredths, thousandths and so on.
Steps:
Divide 21 by 1000: 21 ÷ 1000 = 0.021
Answer: 21 1000 = 0.021
The simplest way to read decimals is to simply read the digits one by one. For example, 9.2 will be read as "nine point 2," 3.8 would be "three point eight," and so on.
In a decimal number, the decimal point separates the whole number from the fractional part of the decimal number.
Converting 21/1000 meters into cms.
As we know, 1 m = 100 cm21/1000 m = 21/1000 × (100) cm = 2.1 cm OR 0.021 meters
Converting 21/1000 kgs into grams
As we know, 1 kg = 1000 grams21/1000 kg = 21/1000 × (1000) grams = 21 grams OR 0.021 kgs