if √4096 64then the value of √40 96 √0 4096 004096, Decimal Fractions, General Mathematics

Question:If `√4096 = 64`then the value of :

√40.96 + √0.4096 + √0.004096 + √0.00004096 `is :

A `7.09` 
B `7.1014` 
C `7.1104` 
D `7.12`

/80

+ AnswerC

+ Explanation`√40.96 + √0.4096 + √0.004096 + √0.00004096`

`= √4096/100 + √4096/10000 + √4096/1000000 + √4096/100000000`

`= ((64/10 + 64/100 + 64/1000 + 64/10000))`

`= (6.4 + .64 + .064 + .0064)`

`= 7.1104`

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Question:If `√4096 = 64`then the value of : √40.96 + √0.4096 + √0.004096 + √0.00004096 `is :

A `7.09`

B `7.1014`

C `7.1104`

D `7.12`

C