Question

0,042 : 0,007. заменив деление на десятичную дробь делением на натуральное число получим: 1) 0,042:7 2) 42:7 3) 0,42:7 4) 4,2:7 0,042:0,007=...

Answer 1

0,042 : 0,007 = ?

Мы переносим запятую,тоесть умножаем число на 1000,чтобы были целые числа

0,042 : 0,007 = 42:7 = 6

Answer 2

To replace the division with a decimal fraction by dividing the two numbers, we can perform the following calculation:

0.042 ÷ 0.007 = 0.042 / 0.007 = 6

Now, to find the equivalent expression from the given options, we look for an option where the numerator is 0.042 and the denominator is 0.007.

From the given options:

1. 0.042 ÷ 7 = 0.006
2. 42 ÷ 7 = 6
3. 0.42 ÷ 7 = 0.06
4. 4.2 ÷ 7 = 0.6

The correct option that matches the result of 0.042 ÷ 0.007 is option 2:

0.042 ÷ 0.007 = 42 ÷ 7 = 6.