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Answer:

Around 2,400 seconds would be in a 40 minute class

Explanation:

4×6=24+2 zeros on the end

Answer: The chemistry class will last for 2400 seconds.

Explanation:

We are given:

Time of chemistry class = 40.0 minutes

To convert the given time into seconds, we use the conversion factors:

1 min = 60 seconds

Converting the time into seconds, we get:

[tex]\Rightarrow(40.0min)\times (\frac{60sec}{1min})=2400sec[/tex]

Hence, the chemistry class will last for 2400 seconds.