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Question
Evaluate: `sqrt((5 + 2 21/25) xx 0.169/1.6)`
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Solution
`sqrt((5 + 2 21/25) xx 0.169/1.6)`
= `sqrt((5 + 71/25) xx 0.169/1.600)`
= `sqrt((196)/(25) xx (169)/(1600)`
= `sqrt((14 xx 14)/(5 xx 5) xx (13 xx 13)/(40 xx 40)`
= `(14 xx 13)/(5 xx 40)`
= `(7 xx 13)/(5 xx 20)`
= `(91)/(100)`
= 0.91
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