Answer:
[tex]\frac{4}{5}[/tex] seconds.
Step-by-step explanation:
We have been given that hear beat takes 0.8 second.
We have to convert it in fraction form
We can write 0.8 in fraction as
[tex]\frac{0.8}{1}[/tex]
Multiply numerator and denominator by 10
[tex]\frac{0.8\times10}{1\times10}[/tex]
On simplifying,
[tex]\frac{8}{10}[/tex]
Write in simplest form
[tex]\frac{4}{5}[/tex]
Therefore, the heart takes [tex]\frac{4}{5}[/tex] seconds.
