How many decimal places wo in the product of 3.12 and 4.9

To determine the number of decimal places in the product of 3.12 and 4.9, you first count the decimal places in each number. 3.12 has two decimal places, and 4.9 has one decimal place, giving a total of three decimal places. Therefore, the product 3.12 × 4.9 will have three decimal places, resulting in the final answer being 15.288. When multiplying decimals, it's important to remember that the total number of decimal places in your final answer is solely based on the numbers you're multiplying. So, counting before you calculate is essential to keep those pesky decimal points in order!