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Mathematics 19 Online
OpenStudy (anonymous):

Question Below. http://gyazo.com/a389363d14f698bd59376fb6f37d452e

OpenStudy (anonymous):

First, combine the 10^'s.

OpenStudy (anonymous):

wat

OpenStudy (wolf1728):

You are dealing with the multiplication of scientific notation. You do this by multiplying the factors 3.6 and 8 and adding the exponents (15 and 21) = 28.8 x 10 ^ 46 As a final step the number shuld have a factor that is between 1 to 9.99 Can you finish that?

OpenStudy (anonymous):

no

OpenStudy (wolf1728):

Looks as if I made a typo - that should be 28.8 x 10 ^ 36

OpenStudy (wolf1728):

That appears as one of the answers but it is not the proper way to show that number.

OpenStudy (anonymous):

yo dawgy g. How important is math in life.

OpenStudy (wolf1728):

It is VERY important

OpenStudy (anonymous):

Basic Math I can understand but why the hell do I need to know 5 x 4 A B X 1.438r x = 49s.452 x 45.4 1/10

OpenStudy (anonymous):

The only reason I can think of having to know it is to finish school and get a job. But what is the point of knowing it if the area of work I'm going into has nothing do with this. I know I know something to fall back on. but I'm not going to fall back on being a Engineer.

OpenStudy (anonymous):

I dont enjoy math at all. I'm good in about every other subject.

OpenStudy (wolf1728):

You need to know that other stuff in order to make very big or small numbers easier to work with. Want to solve this problem this way? 3600000000000000 by 8000000000000000000000 ?

OpenStudy (anonymous):

But when am I ever going to do that equation in my life?

OpenStudy (anonymous):

There are 7 billion people on Earth. Ever want to know stuff about that? 7*10^9, by the way

OpenStudy (anonymous):

Google?

OpenStudy (wolf1728):

It is possible you might need to do that in real life. Still you might want to determine how much you need to invest to retire with a specific amount. Or if you ever get a mortgage the mathematics of that are unbelievable. Think everybody bothers to do that? No. Then again I'm sure you know people working into their 70;s because they didn't plan their finances very well.

OpenStudy (anonymous):

So My finances are going to be in the trillion and with letters.

OpenStudy (wolf1728):

No but when calculating compound interest the formula is: total = principal * (1 + rate) ^years If you invest $1,000 for 5 years at 10% interest what do you have?

OpenStudy (wolf1728):

Well, see why people run up huge bills with their credit cards?

OpenStudy (anonymous):

Well first off the problem is there using a credit card.

OpenStudy (wolf1728):

OR people get mortgages they really can't afford?

OpenStudy (wolf1728):

Creidt cards are handy but yes it's better not to use one.

OpenStudy (anonymous):

All Credits cards do are get people in debt. I dont find a use for credit cards unless your in a emergency. Only buy things if you have the money and if you have the money why not use a debit card or the cash its self.

OpenStudy (wolf1728):

That is a good point but most people aren't aware of that credit card interest building up or the extra charges.

OpenStudy (wolf1728):

Anyway I've got to get going - see ya,

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