Which of the following expressions is 0.00012 written in scientific notation?

* 1.2 × 10 -4
* .12 × 10 -3
* 1.2 × 10 4
* 12 × 10 -5

Step-by-step explanation:

the following expressions is 0.00012 , write it in scientific notation

In scientific notation we put the decimal point after the first number

to get the decimal point after 1, we move 4 units to the right

To move 4 units to the right , we put

Scientific notation is

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step-by-step explanation:

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