Question
Evaluate : `sqrt(9.5 xx .0085 xx 18.9)/(.0017 xx 1.9 xx 0.021).`
Answer: Option C
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Sol. Given exp. `sqrt(9.5 xx .0085 xx 18.900)/(.0017 xx 1.9 xx 0.021)`
Now , since the sum of decimal places in the numerator and denominator under the radical sign is the same, we remove the decimal.
`:.` Given exp. =` sqrt(95 xx 85 xx 18900)/(17 xx 19 xx 21)`
= `sqrt(5 xx 5 xx 900)` = 5 x 30 = 150.
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