One number has three significant figures and another number has four significant figures. If these numbers are...

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Physics

Onenumber has three significant figures and another number has foursignificant figures. If these numbers are added, subtracted,multiplied, or divided, which operation can produce the greatestnumber of significant figures? The answer given is ADDITION. Butwhy? How? Please explain and give examples. Thanks.

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To know why the Operation Addition may give the maximum number of significant figures we will have to know the methods by which we express the result into appropriate number of significant digits after AdditionSubtractionMultiplication and Division In both the Additioin and Subtraction process the result is expressed such that there should be smallest number of decimal places as    See Answer
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