waecmaths question: Express 0.0000407 correct to 2 significant figures Option A: 0.0 Option B: 0.00004 Option C: 0.000041 Option D: 0.0000407 waecmaths solution: 0.0000497 to 2s.f is 0.000041 maths year: WAEC MAY/JUNE 2017maths topics: Errors, approximation and percentages