those are the questions which i need help on. the first on i need to find the number which goes up the top and the rest i need to know what the answers are- but could u please explain it. thanks
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Originally Posted by mathaddict (1)
how do i work it out???
2.8282 * 2.8282 = 7.97.... also equals to 8
4 * 4 * 4 = 64
-1 * -1 * -1 = -1
i understand now thanks alot mate
no problem you just multiply the answer with the itself depending on the root.
Originally Posted by mathaddict (1) Not quite. or in simplest radical form as
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