Which is a better estimate for the volume of a plastic shopping bag?

To estimate the volume of a plastic shopping bag, we need to consider the dimensions of a typical bag.

1. First, let's consider the dimensions of a typical plastic shopping bag. A common size might be 30 cm wide, 20 cm deep, and 40 cm tall.

2. Next, we calculate the volume using the formula for the volume of a rectangular prism, which is length x width x height. So, 30 cm x 20 cm x 40 cm = 24,000 cubic cm.

3. However, a plastic shopping bag is not a perfect rectangular prism. It has some slack and can expand a bit when filled. So, the actual volume might be a bit more than this.

4. Also, keep in mind that this is a rough estimate. The actual volume can vary depending on the specific size and shape of the bag, and how much it is filled.

So, a reasonable estimate for the volume of a plastic shopping bag might be around 24,000 cubic cm, give or take.