Answer:
1/80 or 0.01234568
Explanation:
Exponentiation: (-3) ^ (-9) = -5.08052634253E-5 = -1/
19683
Exponentiation: (-3) ^ 5 = -243
= -1/
* (-243) = -1 · (-243)/
19683 · 1
= 243/
= 1 · 243/
81 · 243
= 1/
81
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