Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**Devantè****Real Member**- Registered: 2006-07-14
- Posts: 6,400

**Basic Significant Figure Excercises**

**1. Round off the number 37649 to 1 s.f.****2. Round off the number 0.0073184 to 1 s.f.****3. Round off 824691 correct to 2 s.f.****4. Round off 0.0000386241 to 2 s.f.****5. Work out the answer to 974 x 586 on a calculator , and round off the answer to 3 s.f.****6. Work out the sum 23 ÷ 946 on a calculator , and round off your answer correct to 3 s.f.****7. What sum would you do in order to get a rough answer to 4671 ÷ 19.6 (to 1 s.f.)?Use ' / ' for the divide sign.**

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