# Chapter 1 - Review Exercises: 106

$0.000107$

#### Work Step by Step

RECALL: To write the scientific notation $a \times 10^n$ in decimal notation, the decimal point will be moved: (i) $n$ places to the right when $n\gt 0$ (ii) $|n|$ places to the left when $n\lt 0$ The given scientific notation has $n=-4$, a negative number. Move the decimal point 4 places to the left to obtain: $=0.000107$

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