Answer: 328 and 18 is 5940.
Step-by-step explanation: To estimate the product of 328 and 18, we can use rounding and mental math. Here's a step-by-step approach:
1. Round 328 to the nearest ten. In this case, it would be 330, since 328 is closer to 330 than to 320.
2. Round 18 to the nearest ten. Since 18 is already a multiple of ten, we don't need to round it.
3. Multiply the rounded numbers. So, 330 multiplied by 18 equals 5940.
Therefore, the estimated product of 328 and 18 is 5940.
