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anonymous
 one year ago
A radioactive isotope has a halflife of one week. How much of it will remain after one month? Show all calculations leading to an answer OR explain your answer with 3 – 4 complete sentences.
anonymous
 one year ago
A radioactive isotope has a halflife of one week. How much of it will remain after one month? Show all calculations leading to an answer OR explain your answer with 3 – 4 complete sentences.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ooo half life ... its been a while since i did these ... let me think

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0assume that the isotope starts at x units

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0. after 1 week half will be gone, or x/2, after the second week half of what remains will be gone. x/2 /2 or x/4, after three weeks x/8 and after 4 weeks, x/16 or 1/16 of the starting amount

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes i kinda already understood half life basically each weach this isotope will loose half of it total life left

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0btw i gotta ask ... is this for hig school ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so at 1 month it will have 1/16 of its life

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0half of the orignal in the first week ... half of the half left in the second week (quater of the orignal) and so on

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0and just to clarify on the last question we did i divided those numbers and got 60041537135.7 and i add KGJ

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes i got it thank you so much

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0just kg .... cause its just simple mass ... nothing more ..and btw ... do the math again just to be sure yu have the figures right ..

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i was kinda hoping for a medal ...its like my first time here on open study ... and damn is this place cool

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i literally divided the two as is

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yeah yu did multiply it by C right ? the speed of light

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yu did right ... as long as you multiplied C as well

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no i divided m=e/c^2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yeah divide ...sorry my bad

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0and what about the ^2 over c? is that encompassed in the number i used for the speed of light

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes .. thats the speed of light squared

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no problem ... always happy to help ..
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