simplify ( 3^-7 / 3^-9)* 3^-4
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Answered by
0
Answer:
Let a=(3
−7
+3
−10
)×3
−5
=3
−12
+3
−15
=3
−12−15
=3
−27
a=
3
27
1
∴(3
−7
+3
−10
)×3
−5
=
3
27
1
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