What is the exponent for 100,000

Mathematics

2 answers:

Mnenie [13.5K]2 years ago

6 0

If your question is to write it in scientific notation, it's 10^4 and the exponent is 4

emmasim [6.3K]2 years ago

3 0

The exponent for 100,000 is ten to the fifth power.

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You invest $850 into a stock market fund, which grows at a rate of approximately 4% each year. Write an equation that can be use

SCORPION-xisa [38]

We have been given that you invest $850 into a stock market fund, which grows at a rate of approximately 4% each year. We are asked to write an equation that can be used to calculate the amount of money in the fund after x years.

We will use exponential growth formula to solve our given problem.

An exponential function is in form $y=a\cdot (1+r)^x$ , where,

y = Final amount,

a = Initial amount,

r = Growth rate in decimal form,

x = Time.

Let us convert 4% into decimal.

$4\%=\frac{4}{100}=0.04$ .

We have $a=840$ and $r=0.04$ , so our equation would be:

$y=850\cdot (1+0.04)^x$

$y=850\cdot (1.04)^x$

Therefore, the equation $y=850\cdot (1.04)^x$ can be used to calculate the amount of money in the fund after x years.

8 0

2 years ago

Two cyclists, Alan and Brian, are racing around oval track of length 450m on the same direction simultaneously from the same poi

skelet666 [1.2K]

Answer:

Alan: 200 m/min

Brian: 150 m/min

Step-by-step explanation:

Given : Two cyclists, Alan and Brian, are racing around oval track of length 450m on the same direction simultaneously from the same point. Alan races around the track in 45 seconds before Brian does and overtakes him every 9 minutes.

To find : What are their rates, in meters per minute?

Solution :

Let n represent the number of laps that Alan completes in 9 minutes.

Then n-1 is the number of laps Brian completes.

45 seconds = 3/4 minutes.

The difference in their lap times in minutes per lap is

$\frac{9}{(n -1)}-\frac{9}{n} =\frac{3}{4}$