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1. Answer:

   4021.2 cm³

   Step-by-step explanation:

   you start by getting the radius, the radius is half the diameter which in this case half of 16 is 8 so 8 is your radius and you already know the height which is 20, now that we have the radius and the height we can start

   the formula for finding the volume of a cylinder is πr² · h

   so are formula would be π8² · 20 which turns into π64 · 20 which then turns into 1280π or 4021.238…

   which you then said we need to round the nearest tenth so 4021.238 to the nearest tenth is 4021.2 cm³

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2. 1222272737282838273828282

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