If I'm not mistaken.. the half-life should be 40,750 years.. so
y = 40,750
I got this by multiplying 25,000 by 1.63 and then if you divide by 2.. you get
20,375.. so one of those should be correct
Answer:
The absolute value of a number means the distance from 0. -5 is 5 units away from 0. So the absolute value of that -5 is 5. You cannot have negative distance, so it has to be positive.
Step-by-step explanation:
The answer is B.




If you find a common denominator, the process becomes much easier. I hope this was helpful.
Step-by-step explanation:
6miles= 9656.064 metres
Georgina walk 23 floor
30 - 7 = 23