wafflesrule56 wafflesrule56

23-10-2018
Mathematics

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(10•10 to the power of 2) - ( 7.79• 10 to the power of 3)

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wegnerkolmp2741o wegnerkolmp2741o

23-10-2018

10 * 10^2 - 7.79* 10^3

they have to be to the same power to add or subtract

change 10*10^2 to proper scientific notation (only 1 number before the decimal) 1*10^3

1*10^3 - 7.79*10^3 = (1-7.79) * 10^3=-6.79*10^3

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