3 years ago

What is the smallest power of 10 that would exceed 234,567,890,123?

Mathematics

1 answer:

lina2011 [118]3 years ago

8 0

Answer: 1,000,000,000*10

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The equatorial diameter of a model of earth is 25.6 cm. What is the total surface area of the model

Arisa [49]

Answer:

$2059.7\,\,cm^2$

Step-by-step explanation:

Diameter of a model of earth (D) = 25.6 cm

Radius of a model of earth (r) = $\frac{D}{2}=\frac{25.6}{2}=12.8\,\,cm$

Earth has the shape of a sphere.

Total surface area of a sphere = $4\pi r^2$

Put $\pi=\frac{22}{7}\,,\,r=12.8\,\,cm$

So,

Total surface area of the model $=4(\frac{22}{7})(12.8)^2=2059.7\,\,cm^2$

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3 years ago

Hey, please I need help with this

gavmur [86]

Answer:

∠CGD is 52°

Step-by-step explanation:

∠AGB is 90° and its corresponding ∠EGD is also 90°

90+38= 128

180-128= 25

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3 years ago

Apply the distributive property to the expression 9(6m-4n). DO NOT SYMPLIFY.

zloy xaker [14]

Answer:

54m-36n

Step-by-step explanation:

9·6m= 54m

9·(-4n)= -36n

54m-36n

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3 years ago

the height of scale model building is 15 in. the scale is 5 in. to 32 i. find the height of the actual building in inches and in

zheka24 [161]

Inches =15,feet =180

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3 years ago

Read 2 more answers

the length of a rectangle is 4 meters longer than the width. if the area is 22 square meters , find the rectangle dimension

Readme [11.4K]

Let breadth be x

Length=x+4

We know

$\boxed{\sf Area_{(Rectangle)}=Length\times Breadth}$

$\\ \sf\longmapsto x(x+4)=22$

$\\ \sf\longmapsto x^2+4x=22$

$\\ \sf\longmapsto x^2+4x-22=0$

By solving

$\\ \sf\longmapsto x=-2\pm\sqrt{26}$

It doesnot have any real roots

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3 years ago