Order the numbers below from least to greatest.

one fourth​, negative 2​, StartRoot 8 EndRoot​, negative seven halves​, 1.4

A. one fourth​, negative 2, StartRoot 8 EndRoot​, 1.4, negative seven halves
B. negative seven halves​, negative 2, one fourth​, StartRoot 8 EndRoot​, 1.4
C. negative seven halves​, negative 2​, one fourth​, 1.4​, StartRoot 8 EndRoot
D. negative 2​, negative seven halves​, one fourth​, StartRoot 8 EndRoot​, 1.4

The correct order is:

B. negative seven halves​, negative 2, one fourth​, StartRoot 8 EndRoot​, 1.4

To order the numbers from least to greatest, we need to compare their values.

The numbers given are:
- One fourth (1/4)
- Negative 2 (-2)
- √8 (√8 is approximately equal to 2.83)
- Negative seven halves (-7/2)
- 1.4

Arranging them from least to greatest, we get:
Negative seven halves (-7/2)
Negative 2 (-2)
One fourth (1/4)
√8 (approximately equal to 2.83)
1.4

Therefore, the correct order is:
C. negative seven halves​, negative 2​, one fourth​, 1.4​, StartRoot 8 EndRoot