Question

Ryan wants to see if storing his batteries in the refrigerator will make them last longer. He goes to Target and buys four batteries of the same brand that have the same “Best if used by” date. Ryan keeps two batteries in his desk drawer for 12 months and puts the other two batteries in the refrigerator for 12 months. He then puts the batteries from the desk drawer into his Dad’s antique portable CD player and plays his Lady Gaga CD continuously until the batteries die. Ryan records the length of playing time. Ryan then uses the batteries from the refrigerator. He plays the same CD at the same volume until those batteries die. He then compares the length of playing time.

Answer 1

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