The table below displays worldwide sales of e-cigarettes in millions of dollars over several different years. In 2014, 2.756 billion dollars of e-cigarettes were sold worldwide. Fill in the table with the 2014 sales amount written in millions of dollars. Year 2008 2011 2014 Sales (in millions of dollars) 20 195 Use the table to answer the questions in each part below. Part 1 Which variable is the independent variable and which is the dependent variable? Choose the correct response below. You only get one submission. Year is the independent variable and sales is the dependent variable.Sales is the independent variable and year is the dependent variable. Part 2 In what unit is the average rate of change in the sales of e-cigarettes measured? You get two submissions. Years per millions of dollarsMillions of dollars per year Millions of dollarsYears Complete the table with the average rates of change in the sales of e-cigarettes across the indicated years. Round each result to four decimal places. Year 2008- 2011 2011-2014 Average Rate of change
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
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Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
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Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
The table below displays worldwide sales of e-cigarettes in millions of dollars over several different years.
In 2014, 2.756 billion dollars of e-cigarettes were sold worldwide. Fill in the table with the 2014 sales amount written in millions of dollars.
Year | 2008 | 2011 | 2014 |
---|---|---|---|
Sales (in millions of dollars) | 20 | 195 |
Use the table to answer the questions in each part below.
-
Part 1
Which variable is the independent variable and which is the dependent variable? Choose the correct response below. You only get one submission.
Year is the independent variable and sales is the dependent variable.Sales is the independent variable and year is the dependent variable. -
Part 2
In what unit is the average rate of change in the sales of e-cigarettes measured? You get two submissions.Years per millions of dollarsMillions of dollars per year Millions of dollarsYears
Complete the table with the average rates of change in the sales of e-cigarettes across the indicated years. Round each result to four decimal places.
Year 2008- 2011 2011-2014 Average Rate of change
![](/static/compass_v2/shared-icons/check-mark.png)
In 2014, 2.756 billion dollars of e-cigarettes were sold worldwide.
Note that, 1 billion dollars =1000 million dollars.
Thus,
That is, the sales in 2014 is 2756 million dollars.
The table can be completed as shown below:
Year | 2008 | 2011 | 2014 |
---|---|---|---|
Sales (in millions of dollars) | 20 | 195 | 2756 |
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From the question above predict the worldwide sales of e-cigarettes in 2012. Use the average growth rate for 2011-2014.
What is the predicted worldwide sales amount for e-cigarettes in 2010? Express your result in millions of dollars, rounded to the nearest whole number.
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