The correct answer is y2+20y+200
Answer:the answer would be 7.38
Answer
3,082,000
Step-by-step explanation:
three million= 3,000,000
eighty-two thousand= 82,000
Answer:
Step-by-step explanation:
60 x 5 = 300 days
So five half-lifes = 300 days
Starting amount = 500mg
<span>Amount after 1st half-life = 250 mg</span>
<span>Amount after 2nd half-life = 125 mg</span>
<span>Amount after 3rd half-life = 62.5 mg</span>
<span>Amount after 4th half-life = 31.25 mg</span>
<span>Amount after 5th half-life = 15.625 mg</span>
<span>Hence after 300 days, the amount of iodine-125 will be 15.625 mg out of 500 mg.</span>