The time taken for the element X to decay from 560 grams to 150 grams is 24.7 mins
<h3>How to determine the number of half-lives </h3>
- Original amount (N₀) = 560 g
- Amount remaining (N) = 150 g
- Number of half-lives (n) =?
2ⁿ = N₀ / N
2ⁿ = 560 / 150
2ⁿ = 3.73
Take the log of both side
Log 2ⁿ = Log 3.73
nLog 2 = Log 3.73
Divide both side by Log 2
n = Log 3.73 / Log 2
n = 1.9
<h3>How to determine the time </h3>
- Number of half-lives (n) = 1.9
- Half-life (t½) = 13 mins
t = n × t½
t = 1.9 × 13
t = 24.7 mins
Learn more about half life:
brainly.com/question/26374513
The answer is a 8*3 =24 and 8*8=64x
Answer:
Y= x+2
Step-by-step explanation:
The x value is always adding 2 to get the y value
1+2=3
2+2=4
3+2=5
4+2=6
5+2=7
Therefore your answer is y = x + 2
Hope this helps!
First you divide 21 by 7 then 28 by 7
21 ÷ 7 = 3
28 ÷ 7 = 4
Now you will multiply the 3 and 4 by 5
3 × 4 = 12
4 × 5 = 20
So your dimension would be 12 inches by 20 inches on paper or whatever
I hope this helps!!!!!!
