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Eva8 [605]
3 years ago
5

Why do scientists use scientific notation science

Mathematics
1 answer:
grandymaker [24]3 years ago
5 0
Because it makes quantities with a lot of digits small enough that you can do math with them.

example:
say you measure a wavelength in nanometers which is common for wavelengths but then have to use this quantity in an equation with the speed of light; 300,000,000 m/s ..
You then must convert one of these quantities to get both in the same units of measure. Usually you would write 600 nm as 6x10^11 m instead of a 12 digit decimal and speed of light as 3x10^8 m/s
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Choose the scatter plot that shows a negative correlation.
Alenkinab [10]

Negative correlation between two variables means when x is increasing but y is decreasing or vice versa.

First graph of suffered animals and children shows a positive slope which means if age of child increasing then numbers of suffered animal is also increasing.So, the first graph show a positive correclation.

Second graph of survey of adults doesn't represnt any distinct relationship as the data scattered randomly everywhere in the graph. So, it's showsa very week correlation.

Third graph of speed and MPG shows a negative slope as speed is increasing then MPG is decreasing. So, the third graph (speed and MPG) shows a negative correlation.

4 0
2 years ago
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Is 3/5 equivalent to 6/8
WARRIOR [948]
No because 3*2= 6 while 5*2=10 so if it was equivalent it would of been 3/5 to 6/10
4 0
3 years ago
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tresset_1 [31]
It's letter C .

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5 0
3 years ago
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PLEASE, IT IS URGENT!!!!!!!!!!!!!!!!
sasho [114]
Convert the timing into hours only:
11:15  = 11.25h
 9:45  = 9.75h
11:45 = 11.75h
 7:45  = 7.75h
10:45 = 10.75h

To find the average, we need to find the middle of these timing:
11.25 + 9.75 + 11.75 + 7.75 + 10.75 = 51.25

51.25 ÷ 5 = 10.25h = 10:15 am

------------------------------------------------------------------------
Answer: The average time it docks is 10:15 am.
------------------------------------------------------------------------
5 0
2 years ago
What expression is equivalent to 4 to the negative 3 power
Elina [12.6K]

Answer:

1/64

Step-by-step explanation:

4^(-3)

1/4³

1/64

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2 years ago
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