If the radius of a sphere is \( 4 \mathrm{r} \), calculate its volume? (1) \( 85 \pi r^{3} \) (2...

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If the radius of a sphere is \( 4 \mathrm{r} \), calculate its volume?
(1) \( 85 \pi r^{3} \)
(2) \( 84.3 \pi r^{3} \)
\( \mathrm{P} \)
(3) \( 85.3 \pi r^{3} \)
(4) \( 54 \pi r^{3} \)
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