Accuplacer Practice Test

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Express 350,000,000 in Scientific Notation.

3.5x10^8
3.5x10^7
3.5x10^9
35x10^7

The correct answer is: 3.5x10^8

To express 350,000,000 in scientific notation, we need to represent it as a number between 1 and 10 multiplied by a power of 10. In this case, we can rewrite 350,000,000 as 3.5 * 100,000,000. Since 100,000,000 is equal to 10^8, the scientific notation for 350,000,000 is 3.5 x 10^8. Therefore, option A (3.5 x 10^8) is the correct answer. This is because the decimal point is moved 8 places to the left, representing the original number in scientific notation. Options B, C, and D are incorrect because they do not properly represent the given number in scientific notation.