Chapter 4 - Decimals - 4.2 Rounding Decimal Numbers - 4.2 Exercises - Page 280: 15

0.0980

We are asked to round 0.09804 to the nearest ten-thousandth. Step 1. Draw a cut-off line after the ten-thousandths place. We are cutting off the 4. It will be dropped. Step 2. We look at the first number after the cut-off line, which is 4. Step 3. Since this number is less than 5, the digit in the ten-thousandths place stays the same. Therefore, 0.09804 rounded to the nearest ten-thousandth is 0.0980.