Answer:
your answer is B 6(5.+2y)
forgive me if i am wrong
Answer:

Step-by-step explanation:
Half-lives are how long it takes for half of a substance to decay. If you start with a certain amount and it decays for a certain amount of half-lives, you are dividing by
, where <em>x</em> is equal to the amount of half-lives.
In order to solve this question, simply divide the starting value by 2 raised to the value of half-lives.

Answer:


Step-by-step explanation:
To simplify the square roots, break the number under the square root into factors. Any factors which are perfect squares may be simplified to outside the square root.

and
Answer:
A: 1313.81
Step-by-step explanation:
Hopefully this helps!