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10 questions from this quiz
Approximating a number to fewer d.p.
When deciding digit is 5 or greater
When deciding digit is less than 5
Digit immediately after target d.p.
9 becomes 0 and carry over 1 left
2.6532.6532.653
3.14163.14163.1416
Convert it to decimal form first
2.7902.7902.790
5, 6, 7, 8, or 9
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