about 230 billion litre of water flows through a river each day how many litres water flows through that river in a week ? how many litres of water flows through the river in an year ? write your answer in standard notation.
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in a week = 7* 230,000,000,000= 1,610,000,000,000
ie, one trillion six hundred and ten billion litres
in a year= 365*230,000,000,000=83,950,000,000,000
ie, eighty three trillion nine hundred fifty billion litres
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