Answer:
Around 15,825.6 in^3 of wax.
Step-by-step explanation:
The volume formula for a cylinder is V=πr^2h. Since we are plugging in 3.14 for pi, we multiply 4 (height) by 9 (radius is half the diameter and then we are squaring it according to formula), by 3.14. After we multiply all of these numbers, we end up with 113.04. This answer is the amount of wax we need per candle. To find the needed wax for 140 candles, we would multiply 113.04, the amount for one candle, by 140 (for the amount needed for 140 candles) to get our total amount of wax, which is 15,825.6 in^3 (don't forget units!).
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