ZnappyDooZ
  • ZnappyDooZ
.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
wil476003
  • wil476003
what are your answer options by chance
jim_thompson5910
  • jim_thompson5910
Step 1) convert all the percentages to decimal form Step 2) multiply those decimal forms with the corresponding mass Step 3) add up the products from step 2
jim_thompson5910
  • jim_thompson5910
it looks like you have the correct steps, but the wrong final answer

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wil476003
  • wil476003
here is the same question someone else answering I not there yet http://openstudy.com/study#/updates/505a6b83e4b0cc122893b4c6
jim_thompson5910
  • jim_thompson5910
yes, what calculator did you use?
jim_thompson5910
  • jim_thompson5910
I got that too
jim_thompson5910
  • jim_thompson5910
yes that's your final answer
jim_thompson5910
  • jim_thompson5910
notice how isotope A is very abundant (99.762%) so it makes sense that the average mass is close to isotope A's mass
jim_thompson5910
  • jim_thompson5910
yes it all looks perfect
jim_thompson5910
  • jim_thompson5910
you're welcome and have a good night

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