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45.52 rounded to the nearest tenth is 45.5. You go to the last number on the right. The tenth is the number directly to the right of the decimal, or the second 5. Since 0-4 round down (the 5 stays the same), and 5-9 round up (the number to its left goes up 1 value, so 5 would go to 6 if it were 45.56 for example). Since 2 is within the 0-4 range, it rounds off to 45.5.

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13y ago

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