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Video instructions and help with filling out and completing Are Form 8815 Index

Instructions and Help about Are Form 8815 Index

Hi there and welcome to another video from Hegarty maths it's mr. Haggerty here and in this video we're talking about index form again our fifth video where we discuss dividing indices now before we get going I want to use a skill that we know previously from fractions if someone asked you have asked you to evaluate 12/20 what might you do well let me tell you what I do I'd write that as 12 over 20 like that I'd write the division as over and I'd go away and I try and simplify this fraction by working at the highest common factor in my head of 12 and 20 which I know is 4 and that divide top and bottom by 4 but you remember when I first introduced that idea to you I said write it as for lots of 3 over 4 lots of 5 and really dividing by 4 you can also think of that as canceling the 4 from top and bottom leaving you with 3/5 like that ok so there's a skill I want you to remind yourself on from what we've previously done on fractions and in particular canceling a factor on the top and bottom of a fraction or think of it as dividing the top and bottom in this case by 4 so there's a little skill I want you to think about right let's move on to dividing indices suppose someone said what is 7 to the power of 5 divided by 7 cubed in the same vein as I just showed you would you mind if I wrote that as 7 to the 5 over 7 cubed I hope not and then if we actually wrote out 7 to the 5 as a product and 7 cubed as...

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