The scale factor is 1/2 or a half
Answer:
Yes, but please attach it.
Step-by-step explanation:
You haven't yet.
Answer:
Arsenic-74-is used to locate brain tumors. It has a half-life of 17.5 days. ... C. Find the amount remaining after 6 days from a 90-mg sample
A). because B,C, and D didnt really make any sence