You can put this solution on YOUR website! what is the volume of a salt crystal measuring 3.22 x 10^-2 cm by 1.5 x 10^-4 cm by 4.30 x 10^-3 cm?
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3 dimensions are given which implies it's a rectangular solid.
If so, the volume is the product of the given dimensions.
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All 3 are in cm, so the volume is in cc, cubic cms.