Multiply 13 and 25 by Russian multiplication method in base 3(which means instead of doubling the numbers,you should triple them and find the answer
Answers
Multiplying 13 and 25 by the Russian multiplication method, the answer is 351.
Step-by-step explanation:
Russian method of multiplying is different from the usual multiplication method.
The given problem is 13 * 25:
Step 1:
Divide the right column by 2, until the remainder is 1.
Step 2:
Double the right column digits.
Solution for step 1&2:
25(Left) 13(Right)
25/ 2 = 12 13 * 2 = 26
12/2 = 6 26 * 2 = 52
6/2 = 3 52 * 2 = 104
3/2 = 1
In the Russian method, the right column should be doubled. In the given question, they have asked to triple.
Therefore, tripling the right column will give,
25(Left) 13(Right)
25/ 2 = 12 13 * 3 = 39
12/2 = 6 39 * 3 = 117
6/2 = 3 117 * 3 = 351
3/2 = 1
Step 3:
The even number on the left has to be a strikeout.
25(Left) 13(Right)
25/ 2 = 12(×) 13 * 3 = 39
12/2 = 6(×) 39 * 3 = 117
6/2 = 3 117 * 3 = 351
3/2 = 1
(×) = striked out lines.
Step 4:
Add the right column numbers.
There is only one number left = 351
Therefore the answer is 351.