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OpenStudy (anonymous):
I think it's D. Am I right? Medal! Pls hurry! Which shows the expression below in simplified form? (5 × 10^7) × (9 × 10^-3) A. 4.5 × 10^6 B. 4.5 × 10^4 C. 4.5 × 10^3 D. 4.5 × 10^5
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