A. 8 x 10^ -4
D. 3 x 10^ -2
Answer:
The ordered pairs are (5,-12), (-1,-1).
Step-by-step explanation:
Given : Inequality 
To find : Which ordered pairs are solutions to the inequality ?
Solution :
We put the given options the point which satisfied the equation is the solution.
Inequality 
1) (5,-12)



It is true.
2) (-1,-1)



It is true.
3) (-3,0)



It is false.
4) (4,-12)



It is false.
Therefore, The ordered pairs are (5,-12), (-1,-1).
Answer:If you begin with a 1 gram sample of the isotope, at the end of 1000 years you would have. 1 gram x (12) = 12 gram would remain.
Step-by-step explanation: