755 prompts matching "Structured question: use binomial expansion to approximate a value"
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Final Revision: Evaluating a numerical expression using the index laws
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Worked Example: Rewriting a negative index as a fraction
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Quiz: A negative index on a fraction, and turning it upside down
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Spot My Mistake: A negative fractional index
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Common Mistakes: Writing a root as a fractional index before simplifying
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Final Revision: Converting an answer back out of index form
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Quiz: An indicial equation that becomes a quadratic in a power
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Explain Back: An indicial equation with the unknown in the exponent on both sides
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Spot My Mistake: An indicial equation involving fractional bases
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WAEC Prep: Rejecting a negative answer in an indicial equation
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Common Mistakes: An indicial equation solved by substitution
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Final Revision: Checking an indicial solution by substitution
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Worked Example: Writing an index statement as a logarithm
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Quiz: Writing a logarithm as an index statement
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Explain Back: The logarithm of one, in any base
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Spot My Mistake: The logarithm of the base itself
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WAEC Prep: Why the logarithm of a negative number does not exist
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Common Mistakes: Reading a logarithm from a table
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Final Revision: The characteristic and the mantissa of a logarithm
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Worked Example: The law for the logarithm of a quotient
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