Answer:
24 days
Step-by-step explanation:
Let the permissible time be Ro
Let the initial activity be R= 8Ro
From;
0.693/t1/2 × t= 2.303 log R/Ro
Half life of the radionuclide= t1/2 = 8 days.
Hence;
0.693/8 × t = 2.303 log 8
t= 2.1/0.087
t= 24 days
Answer:
42
Step-by-step explanation:
6÷(1/7) equals forty two.
$81.75 because if DeShawn has 3 friends plus him that’s four people and 327 divided by 4 is 81.75
Answer:
(1/2, -1.8) belongs in quadrant 4
quadrant 4 is a (positive, negative)
Answer:
113
Step-by-step explanation:
111