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s344n2d4d5 [400]
3 years ago
7

(25 points) A weather reporter in your area said that the speed of sound in air today is about one thousand one hundred feet per

second. What is that speed in scientific notation?

Mathematics
2 answers:
My name is Ann [436]3 years ago
7 0

Answer:

1.1 × 103 feet per second

Rashid [163]3 years ago
6 0
1 thousand and 1 hundred means 1100. 

In scientific notation, it's 1.1*10^3
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A cylindral drill with radius 5 cm is used to bore a hole through the center of a sphere with radius 9 cm. Find the volume of th
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The volume of the ring-shaped remaining solid is <u>1797 cm³</u>.

The volume is the total space occupied by an object.

The volume of a sphere of radius r units is given as (4/3)πr³.

The volume of a cylinder with radius r units and height h units is given as πr²h.

In the question, we are asked to find the volume of the remaining solid when a sphere of radius 9cm is drilled by a cylindrical driller of radius 5cm.

The volume will be equal to the difference in the volumes of the sphere and cylinder, where the height of the cylinder will be taken as the diameter of the sphere (two times radius = 2*9 = 18) as it is drilled through the center.

Therefore, the volume of the ring-shaped remaining solid is given as,

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= 1796.99 cm³ ≈ 1797 cm³.

Therefore, the volume of the ring-shaped remaining solid is <u>1797 cm³</u>.

Learn more about volumes of solids at

brainly.com/question/14565712

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