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Vilka [71]
2 years ago
7

the population of a large Is city is 2,707,210 write this number in scientific notation to the nearest thousands​

Mathematics
1 answer:
kotegsom [21]2 years ago
8 0

Answer:

2.70721×10^(6)

Step-by-step explanation:

There is always comma at the end, bring the comma near to (2) multiply 10, put the power of 10 based to the digits, after 2 it have 6 digit so the power of 10 is 6.

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31. Which equation can be used to describe the relationship between x and y shown in the graph below?
Ipatiy [6.2K]
I’m sorry I don’t see the graph so I would not know.
6 0
2 years ago
Help please i really need help
Andre45 [30]

Answer:16 is x

Step-by-step explanation:

this is a equilateral triangle witch means the sides are the same. 3x is more than 2x so they put - 8 to get to 2 x and 8 times 2 is 16 and there you go.

3 0
3 years ago
A bacteria population experiences continuous growth. If there were 2,000 bacteria present at the start of an experiment, how lon
allochka39001 [22]

Answer:

D. About 15.69 hours.

Step-by-step explanation:

Let x be the number of hours.

We have been given that there  were 2,000 bacteria present at the start of an experiment and the growth rate was 7% per hour.

Since number of bacteria is growing exponentially, so we will use exponential growth function to solve our given problem.

The continuous exponential growth formula is in form: y=e^{kx}, where,

e= mathematical constant,

k = Growth rate in decimal form.

Let us convert our given rate in decimal form.

7\%=\frac{7}{100}=0.07

Upon substituting our given values we will get exponential function for bacteria growth as: y=2,000*e^{0.07x}, where, y represents number of bacteria after x hours.

Since we need to figure out the number of hours it will take for there to be 6,000 bacteria, so we will substitute y= 6,000 in our function.

6,000=2,000*e^{0.07x}

Let us divide both sides of our equation by 2,000.

\frac{6,000}{2,000}=\frac{2,000*e^{0.07x}}{2,000}

3=e^{0.07x}

Let us take natural log of both sides of our equation.

\text{ln}(3)=ln(e^{0.07x})

\text{ln}(3)=0.07x

1.0986122=0.07x  

x=\frac{1.0986122}{0.07}  

x=15.69446\approx 15.69  

Therefore, it will take about 15.69 hours to be 6,000 bacteria and option D is the correct choice.




3 0
3 years ago
Tonys bill at the restaurant was $9.52. If he wants to leave a 20% tip, how much is that?
postnew [5]

Answer:

11.42 dollars

Step-by-step explanation: since you are adding a percentage turn 20% into a decimal. if you do this you will get .2. Next, multiple .2 by 9.52 and you will get 20% of 9.52. Now add this value to 9.52 and you will get 11.42 dollars.

6 0
3 years ago
What is 4/8 as a precent
kotykmax [81]

Answer:

50%

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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