Answer:
The solution is:

Step-by-step explanation:
The first step to solve this equation is placing everything with the exponential to one side of the equality, and everything without the exponential to the other side. So



To find x, we have to apply log to both sides of the equality.
We also have that:

So






Answer: NA and Rb and there are 20 protons in calcium!
Step-by-step explanation:
The cheapest service would be the year in which the mean was the lowest. In Year 4, the mean was the lowest.
The most consistent service would be the year in which the range was the lowest. In Year 3, the range was the lowest.
Answer:
A. he sold the the car for 1350000
B. his cost price is 1500000
Step-by-step explanation:
A. 150000---> 10%
x-----> 90%
cross multiplication: x=150000×90/10=1350000
B. 10%( price) +90%(price)
1350000+150000=1500000