Question

4/9 x 4/9 raised to power -a = 4/9 raised to power 16​

Answer 1

Answer:

see attachment

Step-by-step explanation:

hope it helps you..

Answer 2

Answer:

$= > \frac{4}{9} \times { ( \frac{4}{9}) }^{ - a} = {( \frac{4}{9}) }^{16} \\ = > {( \frac{4}{9} })^{ - a + 1} = {( \frac{4}{9} })^{16} \\ = >-a + 1= 16 \\ = > a = - 15$