(Volume)= (Base Area) * (Height) 8,640= 720h
h= 720 8650
h= 12 inches
**Answer: **12 inches ;
The height of the toy chest is 12 inches, calculated using the formula for the volume of a rectangular prism. By dividing the volume (8,640 cubic inches) by the base area (720 square inches), we arrive at the height. Thus, h = 12 inches.
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