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liberstina [14]
2 years ago
12

Helpppppppppppppppppppp

Mathematics
1 answer:
Elza [17]2 years ago
6 0
1.) 3.8 because 10^8 is 100,000,000. 8.4 times 100,000,000 is 840,000,000. Then, 2.2 times 1000,000,000 is 220,000,000. You divide those and get 3.8

2.) 111.111111 because 10^-4 is .001. you divide that by 9 and get .009. 10^-5 is .00001, you times that by 3.5 and get .000035 which is 111.111111

3.) 500

4.) 177.083333

5.) 30
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If you know the answer to these plz answer.
kondaur [170]

Answer:


Step-by-step explanation:  

You can readily see from the diagram, above, that the side length of the middle cube will be between 3 and 4.  You want to determine to the nearest hundredth what value between 3 and 4 represents the side length of the cube whose volume is 45 units^3.

Please note:  the middle cube has been mislabeled.  Instead of volume = 30 units^3, the volume should be 45 units^3.

Here's the procedure:

Guess an appropriate s value.  Let's try s = side length = 3.5

Cube this:  (3.5 units)^3 = 42.875.  Too small.  Choose a larger possible side length, such as 3.7:  3.7^3 = 50.653.  Too large.

Try s = 3.6:  3.6^3 = 46.66.  Too large.

Choose a smaller s, one between 3.5 and 3.6:  3.55^3 = 44.73.  This is the best estimate yet for s.  Continue this work just a little further.  Try s = 3.57.  Cube it.  How close is the result to 45 cubic units?


7 0
3 years ago
Every five years in August, the population of a certain city is recorded. In 2010, the city had a population
Ipatiy [6.2K]

Answer:

10,000

Step-by-step explanation:

yes

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C
Because 1 km is 1,000 meters so you were just multiply 1000 by 10 and get 10,000
c:
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None of those answers are correct sadly.
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