Fractional exponents Quiz

1. Find the value of $27^{\frac13}$.

• A. $9$
• B. $3$
• C. $81$
• D. $\frac13$

2. Find the value of $8^{\frac43}$.

• A. $\frac{32}{3}$
• B. $2$
• C. $16$
• D. $64$

3. Find the value of $25^{-\frac12}$.

• A. $\frac15$
• B. $-5$
• C. $-\frac15$
• D. $\frac1{50}$

4. Simplify $\left(16x^{8}\right)^{\frac34}$.

• A. $12x^{6}$
• B. $16x^{6}$
• C. $8x^{11}$
• D. $8x^{6}$

5. Find the value of $\left(\frac{27}{8}\right)^{-\frac23}$.

• A. $\frac94$
• B. $\frac49$
• C. $-\frac49$
• D. $\frac23$