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Sagot :
Answer:
Actual length of textbook is [tex]\frac{2}{5}[/tex] long
Step-by-step explanation:
Given : Cristina measure the length of her textbook and says it is [tex]\frac{4}{10}[/tex] long
To find : Is her measurement in simplest form if not what is the length of her textbook
Solution : Her measurement is not in the simplest form because a fraction is said to be in simplest form if the numerator and denominator were not having a common factors or relatively prime.
In the given case 4 and 10 were having factors 4=2×2 and 10=2×5 → 2 is the common factor
Therefore, [tex]\frac{4}{10}=\frac{2\times2}{2\times5}=\frac{2}{5}[/tex]
Actual length of textbook is [tex]\frac{2}{5}[/tex] long.
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