Izzy1650 Izzy1650

30-08-2017
Mathematics

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I need help please!!

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coolstick coolstick

30-08-2017

I'll do 1 and 8, and you should then be able to do 2 and 9!

For 1, we can multiply these separately - 3*4*9=108 and 5+7+2=13 (exponent multiplication is adding them!), so we have 108b^13

For 8, we can again add the exponents up to get (5/7)^8

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