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simplify this
$\sqrt{16}$
• Click and drag over the problem to make highlights.
• Type the next step in the solution to this problem.
• Keep the math beautiful by using [[ and ]] around spans of math.
• Don't do x^2. Instead do [[x^2]] to get x2, etc. (More)
Step 1: the answer is 4
Next step? Make a sketch
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I know how to do a lot of math, maybe I can help:

this: