Answer: The one in the down right corner
Step-by-step explanation:
Hope this helps :)
240 days is 4 times the half-life, which means that a sample of 1000 mg will decay to

after 240 days.
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The Pi value is approximately equal to 3.14.
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The answer is 12. You find this by counting all of the numbers to the right of the line (referred to as "leaves" in this stem-and-leaf plot)
Answer:
x = 3.2
Step-by-step explanation:
Divide 400 by 125 to get x.