pretest medal&fan (explain pls)

Which of the following numbers can be expressed as repeating decimals?
3 over 7, 2 over 5, 3 over 4, 2 over 9

2 over 9 and 3 over 4
3 over 7 and 2 over 5
2 over 5 and 3 over 4
3 over 7 and 2 over 9

Question

pretest medal&fan (explain pls)
























Which of the following numbers can be expressed as repeating decimals?
3 over 7, 2 over 5, 3 over 4, 2 over 9

2 over 9 and 3 over 4
 3 over 7 and 2 over 5
 2 over 5 and 3 over 4
 3 over 7 and 2 over 9

anonymous · Answer

divide each set of numbers and see which ones have repeating digits in their decimal.