Final answer:
The decay factor that corresponds to a 10% decrease is 0.90.
Step-by-step explanation:
The decay factor that corresponds to a 10% decrease is 0.90. To calculate the decay factor, you subtract the percentage decrease from 100% and convert it to a decimal. In this case, 10% decrease means 100% - 10% = 90%, which is equal to 0.90 as a decimal.
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