Radioactive material
A radioactive material loses 10% of its mass each year. What proportion will be left there after n=6 years?
Your answer:
Your answer:
Tips for related online calculators
Our percentage calculator will help you quickly and easily solve a variety of common percentage-related problems.
You need to know the following knowledge to solve this word math problem:
algebraarithmeticbasic operations and conceptsGrade of the word problem
Related math problems and questions:
- The half life
The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 145 grams of a radioactive isotope, how much will be left after three half-lives? - Raw meat
The school cafeteria prepares 490 servings of 50 g of boiled meat for one lunch. Meat loses 30% of its weight by cooking. How many kilograms of raw meat must the school canteen prepare for this lunch to cook? - Car value
The car loses value by 15% every year. Determine a time (in years) when its price will halve. - Radioactive decay
A type of radioactive element has a mass of 1.125 grams. Upon analysis, he is found to be 405 years old. If this radioactive element decays by half every 45 years, find how many grams of this radioactive element there were 405 years ago. - Meat loses
Meat loses 18% of its weight by smoking. How much raw meat does the butcher use to manufacture 35 kilos of smoked meat? - Light intensity
The light beam loses 1/12 of its intensity as it passes through the glass plate. What will the beam's intensity be after passing through a ten times stronger plate? - Sifted sand
At a construction site, sand used in mortar is sifted through a sieve. In the process, 1/6 of the coarse material does not pass through and is discarded. Determine how many cubic metres must be brought in to obtain two cubic metres of sifted sand.
