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patriot [66]
3 years ago
5

Write the scientific notation for 127.5. Please! And tell me how so I can learn too. ​

Mathematics
1 answer:
Serhud [2]3 years ago
3 0
1.275 x 10 to the second power

In scientific notation, you move the decimal place until you have a number between 1 and 10. Then you add a power of ten that tells how many places you moved the decimal. In scientific notation, so 127.5 becomes 1.275 x 10 to the second power.

Source: https://www.infoplease.com/math-science/mathematics/numbers-formulas/scientific-notation
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Describe the process of rounding a number to the nearest thousand
I am Lyosha [343]
Say you have the number:

3,347

You can round it to the nearest thousand by figuring out whether 347 turns out to be closer to 0 or 1,000. If it's closer to 0, you round to the nearest thousand by producing the result 3,000. Since 347 is closer to 0, it would be incorrect to round the number 3,347 to the nearest thousand by producing the result 4,000.

In this case you round to the nearest thousand by producing the result 3,000.
4 0
4 years ago
6•12 ÷ √36 -4 ÷2+(8-5)
saveliy_v [14]

Answer: 6•12 ÷ √36 -4 ÷2+(8-5) = -21

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6 0
3 years ago
Find the area of ABC with vertices A(4, -3) B(9,-3) , and C(10, −11)
Georgia [21]

The area of triangle ABC with vertices is 22 square units

<h3>How to find the area of ABC with vertices?</h3>

The vertices are given as:

A(4, -3) B(9,-3) , and C(10, −11)

The area of the triangle is calculated using

Area = 0.5 * |Ax(By - Cy) + Bx(Ay - Cy) + Cx(Ay - By)|

This gives

Area = 0.5 * |4 * (-3 + 11) + 9 * (-3 + 11) + 10 * (-3 - 3)|

Evaluate the sum of products

Area = 0.5 * |44|

Remove the absolute bracket

Area = 0.5 * 44

Evaluate

Area = 22

Hence, the area of ABC with vertices is 22 square units

Read more about areas at:

brainly.com/question/22972014

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6 0
2 years ago
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Lynna [10]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
For a science project, Joseph launches a model rocket. The function h (8) = -352 +68 + 45 represents the height in
mojhsa [17]

<u>Answer:</u>

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<u>Steps:</u>

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5 0
3 years ago
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