Answer:
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Step-by-step explanation:
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I'm pretty sure it's 108.
12 x 12 x 12 = 1,728
4 x 4 = 16
1,728 ÷ 16 = 108
b.
821.9 cube meters
3, 12, 48, 192, ...
3, 15, 75, 375, ...
2, 10, 50, 250, ...