3 years ago

determine the volume of the figure shown below and round the answer to include the correct number of significant figures

1 answer:

7 0

Answer:A Nancy is asked to use her calculator to find the volume of a cylindrical canister that has a radius of 10.55 cm and a height of 12.56 cm. Which answer is the most accurate? Volume of a cylinder can be calculated using the following equation: V=πr2h

Step-by-step explanation:You calculate the following answer to a problem: 12.655 cm. You are asked to round your answer to four significant figures. Which answer is correct?

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Nancy bought 2 packs of Digimon cards for $3.07 each, and a deck of baseball cards for $10.36 with a $20 bill. What was the chan

mario62 [17]

cost = 2*3.07+10.36

cost = 6.14+10.36

cost =16.50

20-16.50=change

3.50

She will get $3.50 change

7 0

3 years ago

Read 2 more answers

The radius of a circle is increased from 6.00 to 6.06.

Oksana_A [137]

Answer:

a) Change in area = 0.72π m²

b) Estimated change in %age = 2%

Step-by-step explanation:

$Initial\,\, radius = r = 6 m\\\\Final \,\,radius = r_1 = 6.06 m\\\\Change\,\, in\,\,radius = dr =6.06 - 6 = .06 m\\\\$

$Area\,\,of\,\,circle= A=\pi r^2\\\\A=36\pi \,m^2\\\\Chang\,\, in\,\, area = dA= 2\pi r.dr\\\\dA=2\pi(6)(.06)\\\\dA=0.72\pi\,m^2\\\\Estimated\,\, \%age\,\, change=\frac{0.72\pi}{36\pi}\times 100\%\\\\=2\%$