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Answers (3)
We did 10 to the third power because we moved the decimal 3 places to the left. If it had moved right 3 times it would have been -3.
First you need to make it more then 1 and less then 10. So what you need to do is turn 1840 to 1.840. This means the scientific notation is: 1.840 x 10^3
the answer is 2/3 in fraction. 0.666666 is 2/3