Seudónimo Seudónimo

09-11-2016
Mathematics

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Which shows the expression below in simplified form? (2.8 × 109) ÷ (7 × 103) A. 4 × 106 B. 4 × 104 C. 4 × 105 D. 4 × 107

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Аноним Аноним

09-11-2016

answer is C. 4 × 10^5 D

(2.8 × 10^9) ÷ (7 × 10^3)
= 0.4 * 10^6
=4 * 10^5

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