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Elodia [21]
2 years ago
5

Please list a reason why scientific notation is important thank youuu !!

Mathematics
1 answer:
otez555 [7]2 years ago
6 0

The primary reason why scientific notation is important is that it allows us to convert very large or very small numbers into much more manageable sizes. When these numbers are in scientific notation, it is much easier to work with them
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There is 5000 ml water in a fish tank. THen 20% water is evaporated per week. calculate the volume of water left after 4 Weeks.
LenaWriter [7]

Answer:

The answer to your question is: V = 2048 ml

Step-by-step explanation:

Data

Volume = 5000 ml

20% is evaporated per week

Volume of water left after 4 weeks = ?

Process

            1st week               5000 ml   -----------------  100 %

                                              x          -----------------      20 %

                                              x = (20x 5000) / 100

                                              x = 1000 ml

After a week there are = 5000 - 1000 = 4000 ml left

            2nd week              4000 ml   ----------------  100 %

                                                x          ----------------   20%

                                               x = 800 ml

After two weeks, there are = 4000 - 800 = 3200 ml left

         third weeks              3200 ml  -----------------  100 %

                                              x         ------------------    20%

                                             x = 640 ml

After three weeks there are 3200 - 640 = 2560 ml left

           

         4rd                             2560 ml  ----------------- 100%

                                                x           ----------------  20%

                                             x = 512 ml

After four weeks there are 2560 - 512 = 2048 ml left

7 0
3 years ago
What type of triangle is this?<br> A. Right<br> B. Equilateral <br> C. Isosceles <br> D. Scalene
balu736 [363]

Answer:

It's an Equilateral triangle

Step-by-step explanation:

This is because of the fact that all of its sides are equal

8 0
2 years ago
Read 2 more answers
Which words in the salutation should be capitalized? dear aunt mary, Choose all answers that are correct. A. Dear B. Aunt C. Mar
andreyandreev [35.5K]
Everything should be capitalized. If "dear" is the beginning of a sentence, it should be capitalized. "aunt" and "mary" are a name so they should be capitalized too.
4 0
3 years ago
Read 2 more answers
The hawk population in a county is declining at a rate of 1.4% per year. the population was 3800 in the year 2016. which answer
Anika [276]

After a year the population will be 98.6% (100% - 1.4%) 98.6% as a decimal is 0.986 ... so after 1 year it will be: <span>

3800 x 0.986 

after 2 years it will be: 

3800 x 0.986 x 0.986... 

after 3 years: 3800 x (0.986)^3 

<span>in 2018. And after 4 years it will be 3800 x (0.986)^4 = which is 3591.62724 or 3592</span></span>

6 0
3 years ago
Multiply (3x-4)(6x+7
Hitman42 [59]

Multiplying ,you get 18x^2+21x-24x-28. You simplify to get:

18x^2-3x-28.


8 0
3 years ago
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