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Video instructions and help with filling out and completing Who Form 5495 Index

Instructions and Help about Who Form 5495 Index

In this video I'm going to show you how to do with fractional powers so as an example I mean something like 16 to the power of 1/2 the power on that number is a fraction there are certain things you just need to learn the power of 1/2 is the same as a square root so 16 to the power of 1/2 is the same as the square root of 16 square root of 16 is 4 if you're doing higher level you need to remember it's not just for it could also be minus 4 because minus 4 times minus 4 will also give you 16 because minus times a minus makes a plus so it's 4 or it's minus 4 me write that down using this plus or minus symbol here that means plus 4 and minus 4 so if you had 25 to the power of 1/2 that's the same as square root of 25 which is 5 but it could be plus 5 or minus 5 so the power of 1/2 means a square root if you had the power of 1/3 power third means the same as cube root so the cube root we usually write down with the root symbol but was it as a 3 outside it and if we're trying to find the cube root of 8 that means we're trying to find some number that when we write it down 3 times and times that number together we get 8 now if we have 2 times 2 times 2 2 written down 3 times 2 times 2 is 4 times by 2 is 8 so the cube root of 8 is 2 8 to the power of 1/3 is 2 if we look at another one if we look at...

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