This PoSWW comes courtesy of our friend Alison. (Alison is the feistiest Christian since Jesus Christ.) The PoSSW was from a worksheet inflicted upon Alison’s Year 8-9 daughter. We don’t know the publisher of the worksheet.
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Is it too much to ask the author to write “coefficient”? Writing “normal numbers” just creates all kinds of trouble!
Thanks, RF. I’m not sure the use of “coefficients” would save that sentence. But this is the least of the issues. Write out a full pyramid and look at what it appears to be saying.
OK. Now I see…
So (a^3) x (a^4) x (a^5) = a^(3+4+4+5)? Well, bye-bye commutativity, it was nice knowing you.