College Math Placement Practice Test

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Prepare for the College Math Placement Test. Use quizzes and practice questions, complete with hints and explanations, to develop your problem-solving skills. Get ready to succeed!

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What is the product of 3.645 and 0.2 after moving the decimal point three places to the left?

  1. A. 3.645

  2. B. 7.209

  3. C. 0.737

  4. D. 0.729

The correct answer is: D. 0.729

To find the product of 3.645 and 0.2 after moving the decimal point three places to the left, let's first calculate the product: 3.645 multiplied by 0.2 equals 0.729. Next, regarding the decimal point adjustment, if we were to take 3.645 and move the decimal point three places to the left, we transform it into 0.003645. However, in this specific question, the product calculated will give us the final answer without needing to further adjust for decimal movement. Thus, the original product of 3.645 and 0.2 directly yields 0.729. The choice representing this calculation accurately is the one that states 0.729.

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