# How can you use place value to round $21.38 to the nearest tenth of a dollar?

When a number is rounded to the nearest tenth or hundredth, it indicates that it is approximated; a number beyond the tenth or hundredth is not required for this.

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To round $21.38 to the nearest tenth of a dollar using place value, we look at the hundredths place.

Since the digit in the hundredths place is 8, which is greater than or equal to 5, we round up.

So, $21.38 rounded to the nearest tenth of a dollar is$21.40.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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