Question

Find the value of [{(-1/3)³}-²]-¹​

Answer 1

Step-by-step explanation:

[{ (-1/3) ²}-²]-¹

[{ 1/9}-²]-¹ (first solve small brackets)

[{ 9} ²]-¹ (Now solve curly brackets and move 9 from denominator to numerator and change the sign of exponent from - to +

[81]-¹

1/81

Answer 2

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[{(-1/3)³}-²]-¹

( -1/3) ³× ‐² × ‐¹

(-1/3) ⁶

= 1 / 729

$\sf{ \blue{ɧơ℘ɛ  \:  ɬɧıʂ \:    ɧɛƖ℘ʂ \:   ყơų}}$

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