Bonjour ! C’est un exercice en anglais
Matthew's bedroom has a volume of 40 cubic meters.
There are 3,4 x 10⁹ particles of dust per cubic meter.
a. Calculate how many particles of dust are present
in Matthew's bedroom.
Write the answer in scientific notation.
b. A dust particle has a mass of 7,53 × 10-¹°g.
Find out the weight of all the dust in Matthew's
bedroom.