waecmaths question: Correct 0.002473 to 3 significant figures Option A: 0.002 Option B: 0.0024 Option C: 0.00247 Option D: 0.0025 waecmaths solution: 0.002473 to 3s.f. is 0.002473 is 0.00247 maths year: WAEC MAY/ JUNE 2010maths topics: Errors, approximation and percentages