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#### Concept explainers

X marks the “X-act” spot.

On the number tine above, place an X on the approximate location for each of the following numbers:

**To mark: **The given numbers on number line.

### Explanation of Solution

**Given information: **The given numbers are

**Concept used:**

A real number line can be used to mark any real number on it. 0 is located at the middle of the number line. Left side of 0 is used to mark negative numbers, and right side of 0 is used to mark positive numbers. Each interval of consecutive natural numbers are filled with infinite rational and irrational numbers.

Let us construct a number line as shown.

The given numbers are

Now, express each rational number in decimal form.

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# Chapter 2 Solutions

The Heart of Mathematics: An Invitation to Effective Thinking

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Mathematical Methods in the Physical Sciences

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Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)

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