3.
(3⁷)⁶ = 3⁴²; (k³)² = k⁶.
4.
3⁴+(-1)³ = 80; 5×(-2)⁵-5² = -135.
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Answers & Comments
3.
(3⁷)⁶ = 3⁴²; (k³)² = k⁶.
4.
3⁴+(-1)³ = 80; 5×(-2)⁵-5² = -135.