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CSEC MATHEMATICS JANUARY 2019 PAPER 2

CSEC MATHEMATICS JANUARY 2019 PAPER 2 SECTION I 1. (a) Evaluate (i) 23, giving your answer in standard form SOLUTION: Required to evaluate: and write the answer in standard form Solution: 3.8 ×102 +1.7 × 103 = 0.38 ×10 ×102 +1.7 × 103 = 0.38 ×103 +1.7 × 103 = (0.38 + 1.7) × 103 expressed in standard form or in scientific notation, as required.

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