simplify(3^10÷3^7)×3^−5
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1
Answer:
1
Step-by-step explanation:
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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