Rounding to 1 significant figure
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Step-by-step explanation:
the final result of a calculation often contains figures that are not significant. when this occurs the final result is rounded off. the following rules are used to round off a number to the required number of significant figure:
- if last digit is less than 5 leave it. eg. 46.32=46.
- if last digit is more than 5 then increase the digit by 1. eg. 52.87=52.9.
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