Solve for z
z=-\frac{1}{50}=-0.02
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z=\frac{-\frac{1}{5}}{10}
Divide both sides by 10.
z=\frac{-1}{5\times 10}
Express \frac{-\frac{1}{5}}{10} as a single fraction.
z=\frac{-1}{50}
Multiply 5 and 10 to get 50.
z=-\frac{1}{50}
Fraction \frac{-1}{50} can be rewritten as -\frac{1}{50} by extracting the negative sign.
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