Question

789*1020= Столбиком

Answer 1

       789
*      1020      → последний 0 приписываем к полученному результату
   -----------           (т.е. к последней строчке)
     1578
+  000
+789
  ------------
  804780

Answer 2

789
*
1020
--------------
   000000
+
   015780
+
   000000
+
   789000
-------------
   804780

Answer 3

Sure! Here's the calculation for 789 multiplied by 1020, done vertically:

scssCopy code
    789
  x1020
 ------
   7890   (789 multiplied by 0)
  3945    (789 multiplied by 2)
 7890     (789 multiplied by 0, shifted one place to the left)
 ---------
 804180   (The sum of the products)

Therefore, 789 multiplied by 1020 equals 804,180.