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NNADVOKAT [17]
3 years ago
9

Round 2895 to the nearest 10

Mathematics
2 answers:
solong [7]3 years ago
4 0
(Ok so we learned how to do this in 3rd grade lol but it’s simple)

Steps: so look at. the number 9 think is 5 or more we raise the score.

So we make the 8 a nine because we added 1 more.

Then the rest of the numbers become 0’s.

Then you get your answer!

Answer: 29,00
SpyIntel [72]3 years ago
3 0

So, in order to round the the tens, we need to look at the ones place.

So we look at the underlined digit and see if it is 5 or higher (it is)


289<u>5</u>

So, since it's 5, we raise the next place up.  so now the 10's place has 10, so we need to raise the next place up further.


2900

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Answer:

C. When the survey was initially conducted average sales of smartphones was 1.7 millions units.

Step-by-step explanation:

We have been given that the average annual sales of smartphones, in million units, n years after the survey is conducted is modeled by function p(n)=1.7\cdot b^n, where the parameter b is an unknown positive base.


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Since we know that b equals (1+r) for growth function, where r is in decimal form.

If b=1.45, it means that the annual growth rate will be 45% as 0.45 is decimal form of 45%, therefore, statement A is not true.

B.  If b= 1.02, annual sales of smartphones will double in 2 years.

If b=1.02, it means that the annual growth rate will be 2% as 0.02 is decimal form of 2%, therefore, statement B is not true.

C. When the survey was initially conducted average sales of smartphones was 1.7 millions units.

Since we know that an exponential function is in form y=a*b^x, where a in initial value of function. We can see from our given function that a equals 1.7, therefore option C is a true statement.

D. The average sales of smartphones increases by 1.7 millions units every year.

Since our function is not a linear function, instead it is an exponential function, so rate of change can not be constant.

Therefore, option D is not true regarding our given function.

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3 years ago
Is this how you set up my equation?
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Looks correct. :)...........
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Answer

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Step-by-step explanation:

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Step-by-step explanation:

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