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Numbers that are 10 units from 0 have an [tex] <b>absolute value</b>[/tex] of 10.

Let
[tex]x[/tex]
represent the numbers. This implies that:

[tex] |x| = 10[/tex]

Now let us solve this equation for x.

[tex]x = 10 \: or \: - x = 10[/tex]
[tex]
\Rightarrow \: x=10 \: or \: x=-10 [/tex]

[tex] <b>Therefore there are two numbers that are 10 units away from zero</b>[/tex]

The correct answer is:

2

Explanation:

There are two directions from 0 on a number line, to the left and to the right.

Numbers to the left of 0 on a number line are negative numbers; numbers to the right of 0 on a number line are positive numbers.

The number 10 units to the left of 0 on a number line is -10, and the number 10 units to the right of 0 on a number line is 10; there are two answers.

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