Which of the following are in the correct order from least to greatest? $$ 2 \pi, \frac{7 \pi}{6}, 80^{\circ}, \frac{\pi}{4}, 38^{\circ} $$ $$ 38^{\circ}, 80^{\circ}, \frac{\pi}{4}, \frac{7 \pi}{6}, 2 \pi $$ $$ 38^{\circ}, \frac{\pi}{4}, 80^{\circ}, \frac{7 \pi}{6}, 2 \pi $$ $$ 2 \pi, 38^{\circ}, 80^{\circ}, \frac{\pi}{4}, \frac{7 \pi}{6} $$

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1. Convert all angles to radians:

- For degrees, use $$ \text{radians} = \frac{\pi}{180} \times \text{degrees} $$.

- $$ 38^\circ = \frac{38\pi}{180} \approx 0.663 $$ radians.
   - $$ 80^\circ = \frac{80\pi}{180} = \frac{4\pi}{9} \approx 1.396 $$ radians.
   - $$ \frac{\pi}{4} \approx 0.785 $$ radians.
   - $$ \frac{7\pi}{6} \approx 3.665 $$ radians.
   - $$ 2\pi \approx 6.283 $$ radians.

2. Arrange them from least to greatest by their approximate values:

- $$ 38^\circ $$ ($$\approx 0.663$$)
   - $$ \frac{\pi}{4} $$ ($$\approx 0.785$$)
   - $$ 80^\circ $$ ($$\approx 1.396$$)
   - $$ \frac{7\pi}{6} $$ ($$\approx 3.665$$)
   - $$ 2\pi $$ ($$\approx 6.283$$)

3. The correct order is:

$$
   38^\circ, \quad \frac{\pi}{4}, \quad 80^\circ, \quad \frac{7\pi}{6}, \quad 2\pi
   $$

Thus, the correct answer is:

$$
38^\circ, \frac{\pi}{4}, 80^\circ, \frac{7\pi}{6}, 2\pi
$$
The correct order from least to greatest is $$ 38^\circ, \frac{\pi}{4}, 80^\circ, \frac{7\pi}{6}, 2\pi $$.

Which of the following are in the correct order from least to greatest?

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