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how to work out 280 times 380

Sagot :

Rabinshrestha41idn
                      2  8  0
                  x  3  8  0 
                      0  0  0
              2  2  4  0
         +   8  4  0            
          1  0  6  4   0   0       

So, 280 x 380 = 106400
Pinkstudy123idn
Here is another way
1st- put the #'s on top of each other
280
380
2nd- since both of them have 0's when done just add two 0
3- take out zeros HAVE TO BE AT END OF #
4- now ur problem is 28 • 38
5- put #'s on top of each other
28
38
6- multiply 8 by 8 and then 2 by 8
28
38
____
4 take 6 to the top of 2
6
28
38
_____
224 2 times 8=16 add 6 to 16= 16+6= 22
Then put a 0 under the 4 because we are not adding anything to that 4

Then do
28
38
28•3
You get 84
28
38
_____
224
84*put 84 in remaing places
Add those two togethed
224+84= 308
Then add two zeros
30800
Add a comma
30,800 is ur finale answer


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