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An 80 cm³ sample of air is trapped in a syringe. The air is slowly passed over heated iron in a tube until there is no further decrease in volume.When cooled to the original temperature, which volume of gas remains? A 80 cm³ B 64 cm³ C 20 cm³ D 16 cm³​

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Answer:Serkan teacher regularly buys 75 TL of gasoline in his car every week.

At the end of the 13th week, how much is the total gasoline expenditure made by the serkan teacher?

A)390 B)420 C)900 D)975

Explanation:

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