This number in scientific notation is 5.089(10^6).
Answer:
The price for 2 half-gallon containers is $4.46.
Explanation:
6.69/3=x/2
3x=13.38
3x/3=13.38/3
x=4.46
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Answer: m= 58.8 g Kr
Explanation: solution attached:
Find first the number of moles for Kr.
Use Ideal gas law formula PV= nRT and derive for n.
Convert moles to mass using the molar mass of Kr.