Question 1121396
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The problem is NOT asking you to do anything with powers or square roots, or anything like that.  It is only asking you to insert grouping symbols (parentheses) in the given expression to get the different results.<br>
The given expression is<br>
2*3^3+4<br>
which is equivalent, according to standard rules of order of operations, to<br>
2*(3^3)+4<br>
or<br>
(2*3^3)+4<br>
Now put one or more sets of parentheses in different places to get different results.  There are not many places you can do it....<br>
(2*3)^3+4 = 6^3+4 = 216+4 = 220<br>
(2*3)^(3+4) = 6^7 = 279936<br>
2*(3^3+4) = 2(27+4) = 2(31) = 62<br>
2*3^(3+4) = 2*3^7 = 2*2187 = 4374<br>