1,081 prompts matching "IGCSE practice: Why replacement keeps each draw independent"
Word problem: Subtracting indices to divide powers of the same base
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Quiz: A fractional index whose numerator is not one
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Word problem: Converting a number in standard form back to ordinary form
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Quiz: Finding the logarithm of a number greater than one
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Word problem: Raising a number to a power using logarithms
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Quiz: Cancelling a common factor to simplify a ratio
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Word problem: A rate as a comparison between two different units
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Quiz: Converting a percentage to a fraction and a decimal
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Word problem: Converting a foreign currency into naira at a given rate
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Quiz: Using letters of the alphabet to represent unknown
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Word problem: Adding algebraic fractions using the lowest common multiple
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Quiz: Substituting given numerical values into an algebraic
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Word problem: The universal set and the empty set
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Quiz: Substituting given values into a formula to find
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Word problem: Forming an equation from a described direct proportion
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Word problem: Forming a quadratic equation from its two roots
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Word problem: The gradient of a line from two points on it
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Word problem: Proving two triangles congruent by side-angle-side
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Quiz: Solving problems using properties of equilateral
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Word problem: Building a frequency table from a list of raw data
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