und the decimal number to the nearest thousandth. 2.41816

To round the decimal number 2.41816 to the nearest thousandth, you look at the digit in the fourth decimal place, which is 1. Since 1 is less than 5, you keep the third decimal place (8) the same and drop the remaining digits. Thus, 2.41816 rounded to the nearest thousandth is 2.418. This rounding process is commonly used in various fields, from finance to science, where precision matters. Knowing how to round effectively can help prevent errors in calculations and improve clarity in communication of numerical data.