College Math Placement Practice Test 2025 - Free College Math Questions and Study Guide

Question: 1 / 400

What is the result when moving decimal points after multiplying 0.3 by 2.43?

A. 0.723

B. 0.769

C. 0.729

To find the product of 0.3 and 2.43, you first perform the multiplication as if there were no decimal points.

Start by multiplying the numbers:

- 3 multiplied by 243 gives 729.

Next, you need to consider the decimal places in the original numbers. The number 0.3 has one decimal place, and 2.43 has two decimal places, making a total of three decimal places in the product.

So, you take the result of 729 and shift the decimal point three places to the left. This results in 0.729.

Thus, the correct answer, which reflects the accurate placement of the decimal point after performing the multiplication, is indeed 0.729.

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D. 3.24

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