"What is 22.797 rounded to 2 decimal places?" is the same as asking, "What is 22.797 rounded to two decimal points?" or "How to round 22.797 to two decimal places."
The main point is that you want to round 22.797 to two digits or places after the decimal point. Thus, we want to eliminate the last digit in 22.797.
To eliminate the last digit in 22.797, we use the following Two Decimal Places Rules to get the answer:
Two Decimal Places Rule #1: If the last digit in 22.797 is less than 5, then remove the last digit.
Two Decimal Places Rule #2: If the last digit in 22.797 is 5 or more and the second to the last digit in 22.797 is less than 9, then remove the last digit and add 1 to the second to the last digit.
Two Decimal Places Rule #3: If the last digit in 22.797 is 5 or more and the second to the last digit in 22.797 is 9, and the third to the last digit is less than 9, then remove the last digit, make the second to last digit 0, and add 1 to the third to the last digit.
Two Decimal Places Rule #4: If the last digit in 22.797 is 5 or more and the second to the last digit is 9, and the third to the last digit is 9, then add 1 to the number on the left side of the decimal point and make the right side of the decimal point 00.
When rounding 22.797 to two decimal places we use Two Decimal Places Rule #3. Therefore, the answer to "What is 22.797 rounded to 2 decimal places?" is:
22.80
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