9514 1404 393
Answer:
no, yes, yes, no, yes
Step-by-step explanation:
You're looking for values greater than -1.5. All positive numbers will be greater than any negative number.
The two negative numbers among the answer choices are both to the left of -1.5 on the number line. They are less than -1.5, so are <em>not</em> greater than -1.5.
The negative numbers are No; the positive numbers are Yes.
Answer: 
Step-by-step explanation:
Given
Initial mass of radium is 
It decays by half every 6 years i.e. 
For radioactive decay, sample at any time is given by
Insert the values
Thus, option (b) is correct.
So Chris would have 1x, David would have 2x, and George would have 4x, so add them together and get 7x, so you divide by 7 and that's 3=x so Chris would have 3, David would have 6, and George would have 12
