Which number is the least?

-6
-4
4
0

To determine which number is the least, you can compare the given numbers and find the one with the smallest value. Let's compare the numbers:

-6, -4, 4, 0

To find the least number, we need to consider the negative numbers as well. Even though -6 and -4 are negative, they have smaller values than 0 and 4.

Comparing -6 and -4, we can see that -6 is smaller than -4. So, -6 is the least number among the given options.