1.

(-3)¯³ x (-3)¯² x (- 3) ¯²​

Answer»

({ - 3}^{3} ) \times ({ - 3}^{2} ) \times( { - 3}^{2} ) \\ = \frac{ {( - 1})^{3} }{27} \times \frac{ {( - 1})^{2} }{9} \times \frac{1}{9} \\ = \frac{ - 1}{27} \times \frac{ 1}{9} \times \frac{1}{9} \\ = \frac{1}{2187}

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