Mathematics for IGCSE & O level - Indices 2 (Section 3 - No. 16)
If (x = 2), what is the value of (x^{-2})?
-4
( rac{1}{4})
4
-2
Explanation
Substituting and then applying the negative exponent rule: (2^{-2} = rac{1}{2^2} = rac{1}{4}).
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