Order the numbers below from least to greatest.

​1/4​ -4​ sqrt(2)​ -3/2 4.1

-4

-3/2
1/4
4.1
√2

To order the given numbers from least to greatest, we can compare them based on their values.

1. -4

2. -3/2

3. 1/4

4. √2

5. 4.1

Final ordered list: -4, -3/2, 1/4, √2, 4.1