Question

Evaluate (5upon9)-2 x(3upon5)-3x(3upon5)0

Answer 1

Answer:

${ \frac{5}{9} }^{ - 2} \times { \frac{3}{5} }^{ - 3} \times { \frac{3}{5} }^{0} \\ = \frac{81}{25} \times \frac{125}{27} \times 1 \\ = 15$