The following formula can be used to find the volume of a cylinder with radius, r, and height, h.

Mathematics

2 answers:

julia-pushkina [17]3 years ago

6 0

Original equation: v = PI r^2 h
to solve for H divide both sides by PI x r^2

so H = V / PIr^2

The answer would be D

Nataly_w [17]3 years ago

6 0

original equation: v = PI r^2 h

to solve for H divide both sides by PI x r^2

so H = V / PIr^2

The answer would be D

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Afina-wow [57]

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4 years ago

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Damm [24]

Answer: Choice D. $6.44 \times 10^{-4}$

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Work Shown:

We multiply the coefficients 9.2 and 7 to get 64.4, which is the same as 6.44*10^1 in scientific notation. When multiplying exponential expressions with the same base, we add the exponents

This is what the steps could look like

$\left(9.2 \times 10^{-9}\right)\times\left(7 \times 10^{4}\right)\\\\\left(9.2\times7\right)\times\left(10^{-9} \times 10^{4}\right)\\\\\left(64.4\right)\times\left(10^{-9+4}\right)\\\\\left(6.44\times 10^{1}\right)\times\left(10^{-5}\right)\\\\6.44\times\left(10^{1}\times 10^{-5}\right)\\\\6.44\times\left(10^{1+(-5)}\right)\\\\6.44\times 10^{-4}\\\\$