simplify and express with positive exponens
(I)(-7/11)^-6 ÷ (-7/11)^-2
(II) (-8/ 3)-7 ÷ (-8/3)^4
(iii) [(9/11)^-3 × (9/11)^-7] ÷ (9/11)^-3
Answers
Answered by
1
Answer:
I) (-7/11)^-6-(-2)
=(-7/11)^-6+2
=(-7/11)^-5
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Answered by
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Answer:
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