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?

1 answer

The correct answer is "3.17 times 10 Superscript 1" and "7.99 times 10 Superscript 1".

The error Taylor made was not recognizing that "19" is also written in scientific notation as "1.9 times 10 Superscript 1".