40/400 is 0.1 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 40 by 400: 40 ÷ 400 = 0.1
Answer: 40 400 = 0.1
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 40/400 meters into cms.
As we know, 1 m = 100 cm40/400 m = 40/400 × (100) cm = 10.0 cm OR 0.1 meters
Converting 40/400 kgs into grams
As we know, 1 kg = 1000 grams40/400 kg = 40/400 × (1000) grams = 100 grams OR 0.1 kgs