Answer:
4 significant figures as zeros after decimal should not be counted
Explanation:
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Mann.. what class are you taking?? Jesus Christ
Answer:
A ) New rocks floating to the surface of the crust.
TRUST
Explanation:
The acid involved is ethanoic acid which is
And the alkaline involved is calcium hydroxide which is
The equation for the reaction is
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21.28s
Explanation:
This is a rate problem.
Number of parts produced = 225
Time taken to produce= 8hours
Rate of production is the amount of parts produced in a duration of time.
Now convert 8 hours to minute;
60 minutes = 1hr
8 hours = 60 x 8 = 480minutes
Now:
Rate of production = = 0.47parts/minute
Now, to produce 10 parts;
It takes;
0.47 parts to be produced in 1 minute
10 parts would be produced in = 21.28s
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