Wednesday, December 30, 2009

How do you change standard form into ordinary numbers?

For example: 5x10虏 ?


Any ideas on how to do this? ThanksHow do you change standard form into ordinary numbers?
10^2 = 100


5* 100 = 500.





The simple way is move the decimal 2 places to the right(the same number as the exponent). If the exponent was negative then move the decimal to the left. So 5 x10^(-2) = .05How do you change standard form into ordinary numbers?
Scientific Form is really just an expression containing a multiplication.





Simply perform the multiplication indicated, and you'll have your number.





In this case, 10虏 = 100, so this is 5 x 100, or 500
By ordinary number, it means to simply complete the operations mentioned using the BODMAS rule





5X10^2=5X100=500
It's the number given (5) with the amount of 0's of the power on the end (2).
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