1,4×4,7

To solve the multiplication problem 1.4 × 4.7, follow these steps:

Step 1: Multiply the decimal numbers as if they were whole numbers. 1.4 × 47 = 65.8

Step 2: Count the total number of decimal places in the original numbers. In this case, there is 1 decimal place in 1.4 and 1 decimal place in 4.7, so the total number of decimal places is 2.

Step 3: Place the decimal point in the product by counting two places from the right. 65.8 becomes 6.58

Therefore, 1.4 × 4.7 = 6.58