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The problem asks to graph the opposite of $-0.4$ on the number line.

ArithmeticNumber LineOppositesReal Numbers
2025/3/24

1. Problem Description

The problem asks to graph the opposite of −0.4-0.4 on the number line.

2. Solution Steps

The opposite of a number is the number with the opposite sign. The opposite of −0.4-0.4 is −(−0.4)-(-0.4), which is 0.40.4.
To graph the opposite of −0.4-0.4, we need to locate 0.40.4 on the number line.

3. Final Answer

The opposite of −0.4-0.4 is 0.40.4. The green dot needs to be moved to the 0.40.4 mark on the number line.

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