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Mathematics 7 Online
OpenStudy (redneckoutlaw):

Marks: 4 [10.01] Which is the simplified form of 15 times q to the fourth power times r squared all over 5 times q times r cubed.? Choose one answer. a. 12 times r all over q cubed. b. 3 times q cubed all over r. c. 12 times q cubed all over r. d. 3 times r all over q cubed.

OpenStudy (redneckoutlaw):

@Donblue22

OpenStudy (anonymous):

idk

OpenStudy (anonymous):

\[(15q^4r^2)/(5qr^3)\] is the equation, correct?

OpenStudy (redneckoutlaw):

Yes AKeith

OpenStudy (anonymous):

Alright, to start divide 15 by 3 to get: \[(3q^4r^2)/(qr^3)\]

OpenStudy (redneckoutlaw):

Ok i understand that

OpenStudy (anonymous):

Sorry, I'm still figuring out the equation editor.. anyway, next we can combine powers

OpenStudy (redneckoutlaw):

Thats fine bro haha take your time

OpenStudy (anonymous):

When powers are divided, you subtract the number. So in this case, q^4 - q^1 = q^3 on the numerator

OpenStudy (redneckoutlaw):

Correct

OpenStudy (midhun.madhu1987):

|dw:1408912575553:dw|So using this formulae also you can simplify it...

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