Order the following numbers from least to greatest.

7–√ , −2.3 , 3–√ , 5.1 , −1/3

The order from least to greatest is:

3–√ , −2.3 , −1/3 , 7–√ , 5.1

To order the numbers from least to greatest, we consider their values:

-1/3 < −2.3 < 7–√ < 3–√ < 5.1

Therefore, the order from least to greatest is:

-1/3, −2.3, 7–√, 3–√, 5.1