Question

1030•38=. 2140•54. 23400•13. 19130•28 столбик​

Answer 1

Ответ:

1030×38=39140; 2140×54=115560; 23400×13=294200; 19130×28=538640

Answer 2

To multiply the given numbers in column format, you can align them vertically and perform the multiplication operation digit by digit, carrying over the results as necessary. Here are the calculations:

markdownCopy code
   1030
x    38
------
   3090   (1030 * 8)
+ 8240    (1030 * 3, shifted one place to the left)
------
  39140

   2140
x    54
------
  12840   (2140 * 4)
+64200    (2140 * 5, shifted one place to the left)
------
 115560

   23400
x    13
------
  46800   (23400 * 3)
+23400    (23400 * 1, shifted one place to the left)
------
 304200

   19130
x    28
------
  38260   (19130 * 8)
+57390    (19130 * 2, shifted one place to the left)
------
  536240

Therefore: 1030 multiplied by 38 equals 39,140. 2140 multiplied by 54 equals 115,560. 23400 multiplied by 13 equals 304,200. 19130 multiplied by 28 equals 536,240.