<span>You would have to wait 318 years for 1/5 (20%) of the Radium to disappear. 1590 is the point where half of the Radium would decay, so if you take 20% of that, it would equate out to 318 years. Radium has a long half life!</span>
Answer:
25 more inches
Step-by-step explanation:
2-x is not a polynomial so there fure its the 3rd choice which is c
Step-by-step explanation:
the numbers are mixed can u plz ss it if u have it multiple choice or on a book
Answer:
r = 2a + k
Step-by-step explanation:
Hope this helps :D
