Answer:
-6, -5, -4, -2, 0
Explanation:
Find them on the number line and read them from left to right.
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You can also enter the numbers into a spreadsheet and use the 'sort' function.
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The key understanding here seems to be that negative numbers with a larger magnitude are smaller or less than negative numbers with a smaller magnitude:
-6 is less than -5
And all negative numbers are less than zero or any positive numbers.