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Exponents — MATHS STD 7 — Question

ICSE BoardEnglish MediumSTD 7MATHSExponents1 Mark
MCQ
The value of $\left[\left\{\left(\frac{-1}{3}\right)^{-2}\right\}^{-1}\right]^2$ is
  • A
    81
  • B
    -81
  • ✓
    $\frac{1}{81}$
  • D
    $-\frac{1}{81}$
✓

Answer

Correct option: C.
$\frac{1}{81}$
C

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