arthur3
arthur3
19-07-2016
Mathematics
contestada
question 4 I need help to understand
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dalendrk
dalendrk
19-07-2016
[tex]1.\\\sqrt{81}=9\ because\ 9^2=81\\\\\fbox{D.}\\\\2.\\55\cdot9=495\\\\\fbox{A.}\\\\3.\\8^3=8\cdot8\cdot8=512\\\\\fbox{D.}\\\\4.\\4^3=4\times4\times4\\\\\fbox{D.}\\\\5.\\512=8\cdot64\\\\\fbox{A.}\\\\6.\\23^2=23\cdot23=529\\\\\fbox{A.} [/tex]
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RayanR
RayanR
19-07-2016
4 to the power of 3 is 4 multiplied 3 times by itself, so 4x4x4
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