# L6 Teacher's Notes Topic: Num - rounding Round it to... Eg3 significant figures 2 dp 6 sf etc NB: this question is from a Calculator paper. What is the.

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L6 Teacher's Notes Topic: Num - rounding Round it to... Eg3 significant figures 2 dp 6 sf etc NB: this question is from a Calculator paper. What is the percentage error for each one? Pi The value of correct to 7 decimal places is: π 3.1415927 (a) Write the value of correct to 4 decimal places. π 16 9 ( ) 2 1717 3 35 5 11 3 17 9 57 π (b) Which value below is closest to the value of ?

Pi The value of correct to 7 decimal places is: π 3.1415927 (a) Write the value of correct to 4 decimal places. π

The value of correct to 7 decimal places is: π 3.1415927 (b) Which value below is closest to the value of ? π 179 57 355 113 1717 3 16 9 ( ) 2

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