652 prompts matching "Calculating a moment as force times perpendicular distance"
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Simplifying before substituting a value
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Solving 9^x x 3^(x+1) = 1
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Evaluating a fractional-negative index expression
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Indices in a WAEC-style savings context question
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Simplifying an algebraic fraction with index rules
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Rewriting an expression with only positive indices
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Solving an equation with a fractional exponent on x
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Verifying an index law with numbers
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Combining several index laws in one simplification
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Explaining why a^1/n means the nth root of a
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Index expression with three unknown letters
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Combining index and surd notation
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Reviewing all the laws of indices before a test
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Simplifying the square root of a larger number
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Adding and subtracting like surds
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Adding surds that need simplifying first
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Expanding a binomial surd bracket
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Squaring a surd expression
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Rationalising a denominator with a surd and integer
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Rationalising using the conjugate
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