Question
The value of `sqrt(0.01)` + `sqrt(0.81)` + `sqrt(1.21)` + `sqrt(0.0009)` is :
Answer: Option D
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Given exp. =`sqrt(0.01)` + `sqrt(0.81)` + `sqrt(1.21)` + `sqrt(0.0009)`
= `sqrt(1/100)` + `sqrt(81/100)` + `sqrt(121/100)` + `sqrt(9/10000)`
= `1/10 + 9/10 + 11/10 + 3/100` = 0.1 + 0.9 + 1.1 + 0.03 + 2.13
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