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Mathematics Jamb Past QuestionsQuestions and Answers on Significant figuresQuestion 16 :Evaluate \(\frac{81.81+99.44}{20.09+36.16}\) correct to 3 significant figures. A. 6.24 B. 3.22 C. 2.78 D. 2.13 Question 17 :Evaluate \(\frac{21}{9}\) to 3 significant figures A. 2.30 B. 2.31 C. 2.32 D. 2.33 Question 18 :Simplify (0.09)2 and give your answer correct to 4 significant figures A. 0.81 B. 0.081 C. 0.0081 D. 8.0001 Question 19 :Reach each number to two significant figures and then evaluate \(\frac{0.02174 \times 1.2047}{0.023789}\) A. O B. 0.9 C. 1.1 D. 1.2 Question 20 :Correct 241.34(3 x 10\(^{-3}\))\(^2\) to 4 significant figures A. 0.0014 B. 0.001448 C. 0.0022 D. 0.002172 |
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