Answer:
a(n) = -3(-1/5)^(n - 1)
Step-by-step explanation:
From the first term, -3, we get the second term, 3/5, by multiplying -3 by -1/5.
Thus, the common ratio is -1/5.
The general formula in this case is a(n)=(first term)(common ratio)^(n - 1), or
a(n) = -3(-1/5)^(n - 1)
Answer:
Step-by-step explanation:
i can't see what right there
Step-by-step explanation:
1000 meters are 0.6 miles.
how many miles are then 5000 meters ?
5000 meters is 5 times 1000 meters.
so, 5000 meters = 5×0.6 miles = 3 miles.
Answer:
The correct option is C: the isotope of iodine contains 81 neutrons.
Step-by-step explanation:
The mass (A) of the iodine isotope is given by:
Where:
Z: is the number of protons
N: is the number of neutrons
For iodine Z= 53, so if A = 134 the number of neutrons is:
Therefore, the correct option is C. The isotope of iodine contains 81 neutrons.
I hope it helps you!
Answer:
(no solutions)
Step-by-step explanation:
Solve for x:
abs(x + 3) = -10
Hint: | Show the equation has no solution.
By definition, absolute value is positive. Therefore abs(x + 3) = -10 has no solution:
