Which number is not in scientific notation? Select one: a. 11 ⋅ 1021 b. 5.7 ⋅ 109 c. 3.1 ⋅ 10−12 d. 1.67 ⋅ 10−

asked Mar 2, 2019 117k views

5 votes

Which number is not in scientific notation?

Select one:
a. 11 ⋅ 1021
b. 5.7 ⋅ 109
c. 3.1 ⋅ 10−12
d. 1.67 ⋅ 10−

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2 votes

All of them.

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The 4th selection is missing an exponent. (The exponent is improperly indicated in all the numbers.)

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