Help...... Which of the following expressions is written in scientific notation? A) 0.3 x 10^4 B) 2 x 10^-5 C) 10 x 10^3 D) 12 x 10^-3

asked Nov 21, 2019 166k views

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Help......

Which of the following expressions is written in scientific notation?

A) 0.3 x 10^4
B) 2 x 10^-5
C) 10 x 10^3
D) 12 x 10^-3

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the answer is B because the number the multiplication sign cant be less than 1 or more than 10

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Only B The first number must have a value between 1 and 10 . ( excluding 10)

Polyclef answered Nov 26, 2019

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