Round off 321409 to the nearest 100000
300000
To round off a number to the nearest 100,000, we look at the digit in the next place to the right (in this case, the digit in the hundred thousands place).
In the number 321,409, the digit in the hundred thousands place is 2. If this digit is 5 or higher, we increase the digit in the hundred thousands place by 1 and replace all the digits to the right with zeros. If this digit is 4 or lower, we leave the digit in the hundred thousands place as it is and replace all the digits to the right with zeros.
Since the digit in the hundred thousands place is 2, which is less than 5, we leave it unchanged. Therefore, when we round off 321,409 to the nearest 100,000, the answer is 300,000.
To round off 321,409 to the nearest 100,000, we need to look at the digit in the hundred thousands place. The digit in the hundred thousands place is 3.
Since the digit is less than 5, we round down. Therefore, 321,409 rounded to the nearest 100,000 is 300,000.