a) There were two digits after the decimal point in the question \((4\) and \(3)\), so you must have two ... asked to give an answer to 'one decimal place'. THis would mean keeping in one digit ...
\(3.168\) is correct to three decimal places as there are three digits after the decimal point. If the number at the next decimal place is five or more add 1 to the previous decimal place ...
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