Maria Whetstone, a heating technician, has a gross weekly income of $502.16. Her earnings to date for this year are
$20,086.40. How much is deducted from her paycheck this
week for Social Security? How much for Medicare?

4.

step-by-step explanation:

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step-by-step explanation:

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.