Question

Which of these division problems have the same quotient as 12.3 divided by 0.4? Check all that apply.

1. 123 ÷ 4
2. 1.23 ÷ 0.4
3. 1,230 ÷ 40
4. 123 ÷ 0.04

Answer 1

1 and 3

Because if you move the decimal point for one number you also have to move it for the other.