Question

Which is greatest and which is least? 9.9, 9.09, 9.990?

Using the digits 0, 4, 7, and 9 write the greatest decimal possible, in thousandths

Using the digits 0, 3, 5, and 9, write the least decimal possible, in thousandths.

5th Grade math

Answer 1

From the least to the greatest:

9.09, 9.9, 9.990

If you're messed up with sth like this just write the numbers with equal amount of digits:

9.09, 9.90, 9.99 - and now just compare the numbers after the dot :)

Digits 0, 4, 7, 9: 9,740

Digits 0,3,5,9: 0,359