Answer:
287,000 ML
Step-by-step explanation:
117,670 = 0.41×capacity
117,670/0.41 = capacity = 287,000
The capacity of the reservoir was 287,000 ML.
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M is the abbreviation for the SI prefix mega-. Liters are often represented using a lower-case L, but sometimes an upper-case L is used to avoid confusion with other symbols.