michaelm31738 michaelm31738

17-02-2018
Mathematics

contestada

Radon-222 decays at a continuous rate of 17.3% per day. How much will 480 mg of Radon-222 decay to in 8 days?

Respuesta :

sqdancefan sqdancefan

17-02-2018

At the end of each, the amount remaining is (1 -0.173) = 0.827 times the amount at the beginning of the day. After 8 days, the amount remaining is
.. (480 mg)*0.827^8 ≈ 105 mg

Answer Link

Otras preguntas

Find the equation of the circle that has a diameter with endpoints located at (7, 3) and (7, –5).

What are three countries that became communist following World War II? Portugal Finland Hungary Bulgaria Soviet Union Poland

True or false: if a company with low automation wanted to invest in a single area that exclusively lowers labor costs, they would select qit (quality initiative

For an investment in a stock, the probability of the return being –10.0% is 0.3, 10.0% is 0.4, and 30.0% is 0.3. given the probability distributions, what is th

You should place a date stamp on which of the following types of incoming mail? A. Only on correspondence B. Original court documents C. Only on the mail

Michelle has a jar of quarters and dimes totalling to 3.10 if there are sixteen coins in the jar how many more quarters are there than dimes?

what makes stories special

The tables show some input and output values: Table A Input Output 1 7 2 9 3 9 4 5 Table B Input Output 6 1 7 3 7 2 8 5 Which tables represent functions? Only

Help me with this please!!!

who is A. Philip Randolph and how does he help building the work force at langley?