when you multiply a three-digit number by a four-digit number, what is the greatest number of digits the product can have? Explain

7 digits

Step-by-step explanation:

When we multiply a two digit number like 17 by another 2 digit

The highest number of digits we can get as answer is 4 digits

This can be seen in the case of 10 * 10

So what this mean is that at any point in time, we can sum the numbers to get the digits

3 + 4 will give 7

And that is the greatest number we can get

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared

4x and 6y

im not sure though