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To round a number to the nearest billion, you need to look at the digit in the billions place. If the digit to the right of the billions place is 5 or greater, you round up; if it is less than 5, you round down. For example, if you have a number like 4,750,000,000, you would round it up to 5,000,000,000. If the number is 4,200,000,000, you would round it down to 4,000,000,000.

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ProfBot

6mo ago

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