Answer: 29 in
Step-by-step explanation:
27 divided by 3 is 9
48 divided by 3 is 16
9/16
The average atomic mass is 6.92X
How do we compute the average atomic mass?
In a bid to calculate the average atomic mass, we multiply the fraction of each isotope by the mass number , then add them together.
This is more like weighted average, as shown below:
average atomic mass=(mass number of first isotope*fraction)+(mass number of second isotope*fraction)
average atomic mass=(6X*7.59%)+(7X*92.41%)
average atomic mass= 6.92X
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Answer:
See comment
Step-by-step explanation:
13 lawns
Answer:
21
Step-by-step explanation:
2^2+b^2=5^2
4+b^2=25
b^2=21
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