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DedPeter [7]
4 years ago
12

Please help! (100 points)

Mathematics
2 answers:
Serga [27]4 years ago
8 0

Answer:

a) 160pi in³

b) 502.4 in³

Step-by-step explanation:

a) 4 × 4 × 10 × pi = 160 pi in³

b) 4 × 4 × 10 × 3.14

= 502.4 in³

beks73 [17]4 years ago
6 0

Answer:

A.)  V = 160π

B.)  V = 502.4 inches^3

Step-by-step explanation:

Part A:

<u>Formula for the volume of a cylinder:  V = π * r^2 * h</u>

r^2 can be broken into r * r

π can be represent by 3.14

It is the same as:  <u>V = r * r * h * 3.14</u>

V = 4 * 4 * 10 * π

V = 160π

Answer:  V = 160π

Part B:  

<u>Step 1:  Plug in</u>

V = 4 * 4 * 10 * 3.14

V = 16 * 31.4

V = 502.4 inches^3

Answer:  V = 502.4 inches^3

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