Questions by Marek Szmalc

Questions by Marek Szmalc

Suppose you have 100 grams of radioactive plutonium-239 with a half-life of 24,000 years. how many grams of plutonium-239 will remain after a.12,000 years b.24,000 years c.96,000 years?

asked May 3, 2018

1 answer

1 vote

105k views

10 POINTS :) You can buy certain supplies in the European Union or in South Africa. For the moment, ignore other factors that can affect price. Would it be cheaper to buy your supplies in the European

asked Apr 7, 2017

1 answer

4 votes

38.8k views

How did the Arabs build a successful empire?

asked Aug 11, 2015

1 answer

3 votes

219k views

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