Answer :
The calculated base area of the paperweight is 9.6 square cm.
Calculating the base area
To calculate the base area of the paperweight, we can use the formula for the volume of a three-dimensional object:
Volume = Base area x Height
In this case, we know that the height of the paperweight is 4cm and the volume is 38.4 cubic cm.
So we can rearrange the formula and solve for the base area:
Base area = Volume / Height
Substituting the values we have:
Base area = 38.4 cubic cm / 4cm
Base area = 9.6 square cm
Therefore, the base area of the paperweight is 9.6 square cm.
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