Question

Сколько всего десятков в числах 400, 383, 685, 780.

Answer 1

400 - 40 дес.
383 - 38 дес.
685 - 68 дес.
780 - 78 дес.

Answer 2

Total Number of Tens in the Given Numbers

The total number of tens in the given numbers can be calculated as follows:

- 400: 40 tens - 383: 38 tens - 685: 68 tens - 780: 78 tens

Therefore, the total number of tens in the given numbers is 40 + 38 + 68 + 78 = 224 tens.