Multiplication

Parin Sir > Multiplication
28
May
Multiplication of Two or More Decimal Fractions

■ 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…

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28
May
Multiplication of a Decimal Fraction by a Power of 10

■ 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…

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Posted in: Multiplication of a Decimal Fraction by a Power of 10,
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27
May
Multiplication By Short Cut-Methods

Multiplication  of  a  Number  By  99, 999, 9999 etc.  :   Place as many zeros to the right of  the multiplicand as is the number of  nines and from the number so formed, subtract the multiplicand to get the answer.

e.g. Multiplyi…

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Posted in: Multiplication By Short Cut-Methods,
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