For a party, three solid cheese balls with diameters of 2 inches, 4 inches, and 6 inches, respectively, were combined to form a single cheese ball. What was the approximate diameter, in inches, of the new cheese ball? (The volume of a sphere is 4/3(πr³), where r is the radius.)

A. 12

B. 16

C. ³√16

D. 3(³√18)

E. 2(³√36)

Correct Answer: E

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