Simplify 3^-2×(3^0-3^-1)
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Answer:
2/27
Step-by-step explanation:
3^-2×(3^0-3^-1)
=3^-2×(1-1/3)
=3^-2×2/3
=(1/3×1/3)×2/3
=1/9×2/3
=2/27
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