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  • 12-08-2014
  • Mathematics
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What is the value of this please help

What is the value of this please help class=

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AL2006
AL2006 AL2006
  • 12-08-2014
The symbol  √  means "square root of".   √16  means "square root of 16".
It's a number that gives  16  when you multiply the number by itself.

There are two numbers that can both do the job.    They are +4 and -4.

(+4) times (+4) = 16

(-4) times (-4) = 16
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