Question

(27)^ -2/3 is equal to a.1/9 b. 9 c.3^9 d. (27)^3/2

Answer 1

Answer:

a. 1/9

Step-by-step explanation:

${(27)}^{ - \frac{2}{3} } \\ = {( {3}^{3} )}^{ - \frac{2}{3} } \\ = {(3)}^{3 \times - \frac{2}{3} } \\ = {3}^{ - 2} \\ = \frac{1}{ {3}^{2} } \\ = \frac{1}{9}$

Hope you get your answer