Question: Practice Questions 1) Simplify the expression. Check your answer by raising it back to the 2nd power. 144x18 y14 2) Simplify the expression. Check your

Practice Questions 1) Simplify the expression. Check your answer by raising it back to the 2nd power. 144x18 y14 2) Simplify the expression. Check your answer by raising it back to the 3nd power. 3 125x12 y15 3) Simplify the expression. Check your answer by raising it back to the 4th power. 4 81x 4 y16 z 28 4) Perform the indicated operations and simplify the result. 2 45 3 5 4 125 5) Perform the indicated operations and simplify the result. 4 3 3 5 3 3 6) Perform the indicated operations and simplify the result. 7 2 3 2 7) Rationalize the denominator and simplify if possible: 56 7 8) Rationalize the denominator and simplify if possible: 2 3 2 3 9) Rationalize the denominator and simplify if possible: 4 2 5 2 2 10) Use radical notation to rewrite the expression. Simplify if possible: 64 3 2 27 2 3

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