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**Question:**

A number is mistakenly divided by 10 instead of being multiplied by 10. What is the percentage change in the result due to this mistake?

**{Please provide only experts answer and don't provide any web link or certified answer} **

the resultant = x/10

the required result = 10x

error = 10x - $\frac{x}{10}=\frac{99x}{10}$

percentage error =

=$\frac{{\displaystyle \frac{99x}{10}}}{10x}\times 100=\frac{{\displaystyle 99x}}{{\displaystyle 100x}}\times 100=99\%$

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