1,304 prompts matching "WAEC exam prep: Casting out nines as a check on a calculation"
Exam timing: A timed set of elevation and depression questions
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Worked example: Using the power law to simplify a logarithmic expression
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Nigerian scenario: Logarithmic scales in a described measurement
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Exam timing: A timed set of logarithm law questions
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Worked example: The shape of a logarithmic graph
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Exam timing: A timed set of logarithm calculations
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Nigerian scenario: Market days and the days of the week as modular cycles
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Exam timing: A timed set of modular arithmetic questions
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Worked example: The number of elements in a set
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Exam timing: A timed set of set notation questions
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Worked example: The formula for the number in a union
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Exam timing: A timed set of Venn diagram questions
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Worked example: The converse, inverse and contrapositive
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Exam timing: A timed set of logical operator questions
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Worked example: A tautology and a contradiction
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Exam timing: A timed set of truth table questions
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Worked example: Changing the subject when the letter occurs on both sides
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Exam timing: A timed set of change-of-subject questions
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Worked example: Using the constant to predict a further value
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Exam timing: A timed set of variation questions
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