Answer:
1094.4
Step-by-step explanation:
assuming you want volume
Answer:
It will take 15.029 years for element X to reach mass of 260 grams
Step-by-step explanation:
The half life period of radioactive element X is 26 years
The initial mass of radioactive element X is 260 grams
Elapsed time = half life * log (beginning amount /ending amount)/log 2
Substituting the given values, we get
Elapsed time = 26 * log (390/260)/log 2
= 15.209 years
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▹ Answer
<em>18</em>
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▹ Step-by-Step Explanation
- 10 + 7 = -3
-3 + 7 =4
4 + 7 = 11
11 + 7 = 18
Hope this helps!
- CloutAnswers ❁
Brainliest is greatly appreciated!
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Answer:
180 mm
Step-by-step explanation:
height : cases
105 : 7
constant of proportionality = 105/7
height of 12 cases = 12 x 105/7 = 180 mm
The answer would be 1/3 right?
