Free SAT Practice Question

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ID: DSAT-MATH-PSDA-008
Section: Digital SAT Math - Problem Solving & Data Analysis (PS&DA)
Topics: Ratios, rates, proportional relationships, and units; MCQ
Difficulty level: Medium

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Microorganisms are growing in a liquid growth medium. There were 400,000 organisms per microliter during an initial observation. The number of organisms per microliter triples every 4 hours. How many organisms per microliter will there be 16 hours after the initial observation?

A1,400,000
B4,800,000
C32,400,000
D129,600,000
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