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Mathematics 7 Online
OpenStudy (lisa2345):

x*x is X^2 right?

OpenStudy (welshfella):

yes

OpenStudy (anonymous):

yeah it is....

zepdrix (zepdrix):

Yes :) Big numbers tell us to add, example: \(\Large\rm 3x=x+x+x\) The small little number, which we call an exponent, tells us to multiply, example: \(\Large\rm x^3=x\cdot x\cdot x\)

OpenStudy (lisa2345):

7x^2 * 3x^7 is 21^9?

OpenStudy (lisa2345):

@zepdrix

OpenStudy (anonymous):

yes sir

OpenStudy (lisa2345):

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