bonjour ma prof de maths ma mis un exercice en anglais pouvais vous m'aider s'il vous plaît. Matthew's bedroom has a volume of 40 cubic meters. There are 3,4 x
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kyliamarques13
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bonjour ma prof de maths ma mis un exercice en anglais pouvais vous m'aider s'il vous plaît.
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.
Express the answer in scientific notation.
b. A dust particle has a mass of 7,53 x 10-10 g.
Find out the weight of dust in Matthew's bedroom.
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.
Express the answer in scientific notation.
b. A dust particle has a mass of 7,53 x 10-10 g.
Find out the weight of dust in Matthew's bedroom.