Mathematics for IGCSE & O level - Estimation (Section 3 - No. 19) | ExamPlay

Mathematics for IGCSE & O level - Estimation (Section 3 - No. 19)

What is 17100 rounded to 1 s.f.?

10000

17000

20000

17100

설명

Because the second significant digit is 7, the solution is 20000

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