Final answer:
Option A. -2.5, -0.0084, -0.0082, 0.35, 5, 5.25, 5.256
The correct order from least to greatest of the provided numbers is -2.5, -0.0084, -0.0082, 0.35, 5, 5.25, 5.256, which corresponds to option A.
Step-by-step explanation:
When ordering numbers from least to greatest, it is important to recognize that negative numbers are smaller than positive numbers, and among negative numbers, those with a larger absolute value are smaller. Therefore, the correct order from least to greatest is the one starting with the smallest (most negative) number and ending with the largest (most positive) number.
The correct order from least to greatest for the provided numbers is: -2.5, -0.0084, -0.0082, 0.35, 5, 5.25, 5.256.
So, the correct sequence among the given options is:
A. -2.5, -0.0084, -0.0082, 0.35, 5, 5.25, 5.256