emily286 emily286
  • 12-10-2017
  • Mathematics
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How do I simplify the square root: 7 times the square root of 81

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WojtekR
WojtekR WojtekR
  • 12-10-2017
[tex]7\cdot\sqrt{81}=7\cdot\sqrt{9\cdot9}=7\cdot9=\boxed{63}[/tex]
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