pdawg0537 pdawg0537
  • 06-12-2022
  • Chemistry
contestada

A coin collector has a bag of 50
pennies. What is weighted average
of a penny in the sample according
to the data?
Sample
Pre-1982
Post-1982
Abundance
(%)
36
64
Mass (g)
3.1
2.5
Weighted
Average (g)
[?]

A coin collector has a bag of 50 pennies What is weighted average of a penny in the sample according to the data Sample Pre1982 Post1982 Abundance 36 64 Mass g class=

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