evaluate-- pls help . I have this doubt
Attachments:
Answers
Answered by
0
Answer:
–648
Step-by-step explanation:
[(1/3)^-2 –(1/9)^-2] ÷ 3^-2
= (3² -9²)/ (1/3)^2
= (9 – 81)3^2
= –72× 9
= –648
Answered by
0
Answer:
-648
Step-by-step explanation:
Similar questions