The average diameter of one tennis ball in a package of three is 6.8 cm. Which of the following is the combined volume of all three tennis balls? Use 3.14 for π and round your final answer to the nearest hundredth. (V = 4/3πr³)
1) 164.55 cm³
2) 493.66 cm³
3) 1,316.42 cm³
4) 3,949.27 cm³