Mathematics for IGCSE & O level - Estimation (Section 3 - No. 1) | ExamPlay

Mathematics for IGCSE & O level - Estimation (Section 3 - No. 1)

What is 3.1 x 1.9 (correct to 1 s.f.)?

6

7

8

9

Explication

Rounding to 1 s.f., 3 x 2 = 6

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