Answer:
720
Step-by-step explanation:
Given that
The person could lose approx 8 × 10 if there is hair strains each day
Based on the above information
The number of hair strains the average person could lose in nine days is
= 9 days × 8 × 10
= 720
hence, the number of strains required for loosing in nine days is 720 and the same is to be considered