Math, asked by rahuly6698, 10 months ago

A radioactive element decomposes at the rate of 15%per hour . If a sample contains 10 g of the element ,how much will be left after 2 hours

Answers

Answered by haridasan85
0

Answer:

Wt. of sample=10g

after 2 hrs=10(1-15 / 100) 2

10x (85 / 100) 2 = 7.225g

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