find the products i 2 61 xx 1 3 ii, Decimal Fractions, General Mathematics

Question:Find the products :
         (i)` 2.61 xx 1.3 `
                
         (ii) `2.1693 xx 1.4 `
                
         (iii) `.4 xx .04 xx .004 xx 40`

Answer (i)` 261 xx 13 =3393`.

 The sum of decimal places of given numbers =`(2 +1)=3`

  :.`2.61 xx 1.3 =3.393`.

 (ii) `21693 xx 14 = 303702`.
 
   Sum of decimal places =`(4 + 1)=6`

  :. `2.1693 xx 1.4 =3.03702`.

 (iii) `4 xx 4 xx 4 xx 40 =2560`.

 Sum of decimal places =`(1 + 2 + 3 )=6`.

 :.`4 xx .04 xx .004 xx 40 =.002560`.

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Find the products : (i)` 2.61 xx 1.3 ` (ii) `2.1693 xx 1.4 ` (iii) `.4 xx .04 xx .004 xx 40`

Question:Find the products : (i)` 2.61 xx 1.3 ` (ii) `2.1693 xx 1.4 ` (iii) `.4 xx .04 xx .004 xx 40`