Question

the answer comes -1
class 7 Mathematics

Answer 1

$({ - 2 \div 5})^{3} \div ( {2 \div 5})^{3} \\ (- 8 \div 125) \div (8 \div 125) \\ - 1$
HOPE THIS HELPS YOU :)

Answer 2

(-2/5)³ x (5/2)³
-8/125 x 125/8
=-1....