please please do these sums step by step
Attachments:

Answers
Answered by
1
Answer:
(-5/7)³.(-5/7)^6 = -5/7^2x-1
(25/49)^9 = -5/7^2(9)-1
so , x = 9
hope it helps
Answered by
1
thank you and please mark me as brainleist
Attachments:


Similar questions