There are 159 students to be grouped in math teams. Each team is to have the same number of students. Can each team have 3, 4, 5
2 answers:
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Answer:
Step-by-step explanation:
The probability for a flip on either side of the coin is always 50% or
So to get the probability for the three flips just do:
or
×
×
Either way you solve it the answer is
2) 5.625 mg will be left
Explanation:1) Half-life = 17.5 days
initial amount of Arsenic-74 = 90 mg
To get the equation, we will use the equation of half-life:
2) we need to find the remaining amount of Arsenic-74 after 70 days
t = 70
So after 70 days, 5.625 mg will be left