Ta mission 1 Quelle est la durée maximale d'écoute quotidienne sans risque, dans les conditions décrites pour Louisa ? Donne deux solutions
pour qu'il puisse écouter sa musique plus longtemps sans danger.

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

Which subatomic particle has a negative charge

The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).