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Question
The value of `1/4^-2` is ______.
Options
16
8
`1/16`
`1/8`
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Solution
The value of `1/4^-2` is 16.
Explanation:
Using law of exponents,
`a^-m = 1/a^m` ...[∵ a is non-zero integer]
∴ `1/4^-2 = 1/(1/4^2)`
= `1/(1/16)`
= 1 × 16
= 16
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