D. -3,-10,-17,-24,-31...this is an arithmetic sequence with a common difference of -7.
an arithmetic sequence...u have to be able to add the same number to each term to get the next term. On this sequence, the common difference is -7. This means by adding -7 to each term, we arrive at the next term.
Answer:
48000π ≈ 150720 m³
Step-by-step explanation:
The formula for the volume of a cylinder is V = Bh
So...
V = πr² (h)
V = π (20²) (120)
V = 400 π (120)
V = 48000 π