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Alamin
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The sum of 18 terms of an ap is 549. Given that common different is 3, find the 56th term and also the sum of it's 32 terms.
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List four types of ICT used for timing and control
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The answer is 144degree west
A is a solution of trioxonitrate(v) acid, HNO3, of unknown concentration. B is standard solution of sodium hydroxide containing 4.00g per dm3 of solution. 25cm3 portions solution B required an average of 24.00cm3 of solution A for neutralization, using
