a mine worker discovers an ore sample containing 500mg of radioactive material. it is discovered that the radioactive material has a half life of 1 day. find the amount of radioactive material in the sample at the beginning of the 7th day.

The miner would have 3 1/2 of radioactive material in the sample at the beginning of the 7th day.

Step-by-step explanation:

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wholesale price is the initial price before markup. retail price comes after the markup.

a price of 8 bucks that's marked up by 100%   is

formula: initial price + (percent markup in fraction/decimal)(initial price)

8+(1)(8)

8+8

16

retail price is $16.

step-by-step explanation:

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