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Archy [21]
2 years ago
15

What is 78.000.000.000 in scientific notation?

Mathematics
1 answer:
borishaifa [10]2 years ago
4 0
I think it is 78x10^9
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The volume of the candle initially is:
V=Ab*h
Area of the base of the cylinder: Ab=pi*r^2
pi=3.14
Radius of the base: r=4 cm
Height of the cylinder: h=6 cm

Ab=pi*r^2
Ab=3.14*(4 cm)^2
Ab=3.14*(16 cm^2)
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The candle melts at a constant rate of:
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The percent of candle that is melted off after 7 hours is:
P=(A/V)*100%
P=[(210 cm^3)/(301.44 cm^3)]*100%
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