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3 years ago

478000000000 in scientific notation

Mathematics

2 answers:

Svetllana [295]3 years ago

4 0

Answer:

4.78 x 10^11

Here is the answer to your problem

ValentinkaMS [17]3 years ago

3 0

4.78 x 10 to the power of 11.

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Please can someone help me??? Please

Sindrei [870]

A. A Plus Plumbing company charges $60 per hour and $80 as a one-time fee cause 320-140/4-1 equals 180/3 equals 60 and y-140=60(x-1)

y=60x-60+140

y=60x+80

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3 years ago

Determine whether the two expressions are equivalent. If so, tell what property is applied. If not, explain why. 10 ÷ 5 and 5 ÷

nikklg [1K]

Answer:

no, its not equivalent

Step-by-step explanation:

10/5= 2

5/10=0.5

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2 years ago

B) The number of volume of a cylinder is half of its number of the total surface area.

faust18 [17]

Answer:

$V=179.6cm^3$

Step-by-step explanation:

the volume of a cylinder is given by:

$V=\pi r^2h$

where r is the radius and h is the height.

and the surface area:

$SA=2\pi r^2+2\pi rh$

the first term is the area of the circles and the second term is the area of the body.

since "The number of volume of a cylinder is half of its number of the total surface area." we will have that:

$V=\frac{1}{2}SA$

substitutig the equivalent expressions on each side:

$\pi r^2 h = \frac{1}{2} (2\pi r^2+2\pi r h)$

and we simplify and solve for the height (since is the value we don't know of the cylinder):

$\pi r^2 h = \pi r^2+\pi r h\\\pi r^2h-\pi rh=\pi r^2\\h(\pi r^2-\pi r)=\pi r^2\\h=\pi r^2/(\pi r^2-\pi r)$

we substitute the value of the radius $r=7cm$ , and we get:

$h=\pi (7cm)^2/(\pi (7cm)^2-\pi (7cm))\\h=153.938/(153.938-21.991)\\h=153.938/131.947\\h=1.1666cm$

thus the volume is:

$V=\pi r^2h$

$V=\pi (7cm)^2(1.1666cm)\\V=179.6cm^3$

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3 years ago

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What is the volume of a cube with edge 5cm

Varvara68 [4.7K]

$125cm {}^{3}$

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4 years ago

how much will you save if you buy an item listed at 17.50 at a 35 percent discount? savings = price x discount percentage

kenny6666 [7]

Answer:

17.50 × 0.35 = 6.13

Step-by-step explanation:

7 0

2 years ago

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