csat-suneung 2009 Q1

csat-suneung · South-Korea · csat__math-humanities 2 marks Indices and Surds Evaluating Expressions Using Index Laws
What is the value of $9 ^ { \frac { 3 } { 2 } } \times 27 ^ { - \frac { 2 } { 3 } }$? [2 points]
(1) $\frac { 1 } { 3 }$
(2) 1
(3) $\sqrt { 3 }$
(4) 3
(5) $3 \sqrt { 3 }$
What is the value of $9 ^ { \frac { 3 } { 2 } } \times 27 ^ { - \frac { 2 } { 3 } }$? [2 points]\\
(1) $\frac { 1 } { 3 }$\\
(2) 1\\
(3) $\sqrt { 3 }$\\
(4) 3\\
(5) $3 \sqrt { 3 }$