The half life of Chemical Q is 12 days. If you started your experiment with 42 grams, how much would be left in 73 days?

Question

The half life of Chemical Q is 12 days. If you started your experiment with 42 grams, how much would be left in 73 days?

1 Answer

Impact of this question

1339 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-07-30T09:34:57

#=0.656# grams

Explanation:

During #73# days chemical Q will decay #73/12=# at least #6# times
And it will decay by half each time.
So we can write
#42(1-0.5)^6#
#=42(0.5)^6#
#=42(0.015625)#
#=0.656# grams will be left after 73 days

Science

Math

Humanities

... and beyond

The half life of Chemical Q is 12 days. If you started your experiment with 42 grams, how much would be left in 73 days?

1 Answer

Explanation:

Related questions

Impact of this question