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Mathematics 20 Online
OpenStudy (anonymous):

At the beginning of the day, the sum of the stocks in the Dow Jones was $10,245.31. At the end of the day, the sum of the stocks in the Dow Jones was $10,165.79. What was the rate of change of the Dow Jones on this particular day? A. –1.0% B. 0.8% C. –1.2% D. –0.8%

sammixboo (sammixboo):

Okie Dokie! Sorry I didn't reply when I got here, my brother called me. First find the difference between the original amount, 10,245.31, and the second amount, 10,165.79 So what is 10,245.31 - 10,165.79?

OpenStudy (anonymous):

79.52 @sammixboo

sammixboo (sammixboo):

Sorry I was helping a friend. Yes now you take 79.52 and divide it from the original amount, 10,245.31 So what is 79.52/10,245.31?

OpenStudy (anonymous):

i got 0

sammixboo (sammixboo):

You can round the answer to the nearest thousandths

sammixboo (sammixboo):

Ah that's wrong :( Try again 79.52 / 10,245.31 (use a calculator if needed)

OpenStudy (anonymous):

is it 1.0

sammixboo (sammixboo):

No hun. The answer to 79.52/10,245.31 is about 0.008. Okay after dividing we take 0.008 and multiply it by 100 So what is 0.008 x 100?

OpenStudy (anonymous):

1

sammixboo (sammixboo):

No hun

sammixboo (sammixboo):

Please use a calculator if needed

OpenStudy (anonymous):

i am a TI30

sammixboo (sammixboo):

When ever you are multiplying a decimal by 100, you move the decimal point over 2 digits. |dw:1415503224378:dw|

sammixboo (sammixboo):

|dw:1415503292724:dw|

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