Add I to the digit in the rounding place if the digil Do not change the digit in the rounding place if the digit to its right is less than 5. Replace all the digits to the right of the rounding digit with Os. Identify the place value of the underlined digit and then round it. 1. 45 2. 235 3. 709 4. 853 5. 7 499 Introduction of the Topic Estimating is an educated guess. There are times when an estimate is no​