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Lina20 [59]
1 year ago
8

The Great Wall of China, built in the 7th century BCE, is about 1 x 10^4 miles long. The Panama Canal, built over 2 thousand yea

rs later, is about 5 x 10^1 miles long. Use these numbers to complete the sentence below. Write your answer in standarered form, without using exponets. The Great Wall of China is about ____ times longer then the Panama Canal what is the answer?
Mathematics
1 answer:
lara [203]1 year ago
8 0

The Great Wall of China is about 200 times longer then the Panama Canal

<h3>How many times longer is the Great Wall of China?</h3>

Scientific notation is used to compress large numbers into smaller numbers. In order to write a number in scientific notation, the number is written as a decimal number, between 1 and 10 and multiplied by a power of 10. An examples of 100 expressed in scientific notation is 1 x 10².

In order to determine the difference in the length of the great wall of China and the Panama Canal, divide the length of the Great wall of China by the length of the Panama Canal.

(1 x 10^{4}) ÷ (5 x 10^{1})

(1/5) x 10^{4 - 1}

0.2 x 10^{3}

2 x 10^{3 - 1}

2 x10² = 200

To learn more about standard form, please check: brainly.com/question/25334755

#SPJ1

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I need help please I need it
SashulF [63]

Step-by-step explanation:

It asks you to choose values for w, the width, and evaluate the equation for each. It describes the constraint "the perimeter of 20 units" The perimeter of a rectangle is the length of all the lines of a regtangle.

Or

2L + 2W = 20 reduce this to simplest for by dividing both sides by 2;

L + W = 10, so the length plus the width is 10. Rearrange it to be W = 10 - L. Values of W can range from 1 to 9. Now sove for a few points in the function.

f(W) = 10W - W^2

3; 10(3) - 3^2 = 30 - 9 = 21.

If we look at the constraint, L = 10 - W, when the width is 3 the length must be 7. The area of a rectangle is L x W, 3 x 7 = 21. That checks against the function.

Solve for additional points.

4; 10(4) - 4^2 = 40 - 16 = 24.

If W is 4 the L is 6 and 4 x 6 = 24

4 0
3 years ago
The National Center for Health Statistics reported that of every 883 deaths in recent years, 24 resulted from an automobile acci
VARVARA [1.3K]

Answer:

There is a 2.7% chance that  a particular death is due to an automobile accident?

Step-by-step explanation:

Automobile _____ 24 deaths

Cancer _________182 deaths

Heart disease ____333 deaths

Total ___________ 883 deaths

Probability = number of automobile accident deaths / total deaths

Probability = 24 / 883

Probability = 0.027

Probability = 2.7%

3 0
3 years ago
Solve the solution. How many solutions does it have? 4(2x-3)=2(4x-6)
sdas [7]

Answer:

No solutions

Step-by-step explanation:

4(2x-3)=2(4x-6)

4(2x-3)=2 \times 2(2x-3) \\  \\ 4(2x-3)=4(2x-3)

Same components are present on both sides of equal sign, therefore NO SOLUTIONS are possible.

7 0
3 years ago
Can you guys please help me? Thanks!
olga2289 [7]
you are correct, it is one to two
4 0
3 years ago
Do anybody know this answer because I need help
Papessa [141]

Answer:

x=-7

Step-by-step explanation:

divide 12 on both sides and that equals -7

8 0
3 years ago
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