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■ Rule : In the given decimal numerals, make same number of decimal places by annexing zeros if needed. Considering these numbers without decimal places, find H.C.F. or L.C.M. as the case may be. Now, in the re…
■ Rule : Multiply the given numbers considering them without the decimal point. In the product, the decimal point is marked off to obtain as many places of decimal as is the sum of the number of decimal places…
■ Rule : Shift the decimal point to the right by as many places of decimal as is the power of 10.
e.g. Evaluate : (i) 5.4203 100 (ii) .0189 1000 (iii) .003 100…
Properties of addition on R :
Closure Property : The sum of two real numbers is always a real number. We say that R is closed for addition. …
Relatively Prime ( Co-Prime ) : Two positive integers are said to be relatively prime to each other if their highest common factor ( H.C.F. ) is 1.
(a, b) = H.C.F. of a and b & [a, b] = L.C.M. of a …
Introduction
In Hindu Arabic system, we use ten symbols 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 called digits are used to represent any number. A group of figures, denoting a number is called a numeral ( o…