Question
`3sqrt(sqrt(.000064))` = ?
Answer: Option B
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`sqrt(.000064)` = `sqrt(64/10^6)` = `8/10^3` = `8/1000` = .008
`:.` `3sqrt(sqrt (.000064))` = `3sqrt(.008)` = `3sqrt(8/1000)` = `2/10` = 0.2
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