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A physical quantity X is related to four measurable quantities a, b, c and d as follows:`X = a ^2 b ^3 c ^(5/2) d^(–2)`. The percentage error in the measurement of a, b, c and d are 1%, 2%, 3% and 4%, respectively. What is the percentage error in quantity X ? If the value of X calculated on the basis of the above relation is 2.763, to what value should you round off the

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A physical quantity X is related to four measurable quantities a, b, c and d as follows:
`X = a ^2 b ^3 c ^(5/2) d^(–2)`. The percentage error in the measurement of a, b, c and d are 1%, 2%, 3% and 4%, respectively. What is the percentage error in quantity X ? If the value of X calculated on the basis of the above relation is 2.763, to what value should you round off the result.

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