0.9, 82 hundredths, 5tenths least to greatest

5 tenths, 82 hundredths, 0.9

Step-by-step explanation:

Let's convert these all to a decimal ...

5 tenths = 5/10 which is 0.5

82 hundreths = 82/100 which is 0.82

0.9 = 0.9

Now you can order them can't you?

0.5, 0.82, 0.9

5 tenths, 82 hundredths, 0.9