The correct answer is B. The number 7.99 times 10^1 is written in scientific notation.
Taylor made an error by thinking that 3.17 times 10^1 is written in scientific notation. However, in scientific notation, the number before the multiplication sign must be greater than or equal to 1 and less than 10. In this case, 3.17 is not within that range, so it is not written in scientific notation.
Taylor's math teacher asks, "Which of the following numbers are written in scientific notation?" 19 3.17 7.99 times 10 Superscript 1 3.17 times 10 Superscript 1 Taylor says, "3.17 times 10 Superscript 1 is written in scientific notation." What is the correct answer? What error did Taylor make? The number 19 is also written in scientific notation. B. The number 7.99 times 10 Superscript 1 is also written in scientific notation. C. The number 3.17 times 10 Superscript 1 is not written in scientific notation. D. The number 3.17 is also written in scientific notation.
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