4:20 Expressing a power using a different base - GCSE & A Level
Dr Frost shows exactly how to rewrite a power using a different base, numeric and algebraic.
Problem solving - expressing powers in different bases
Express powers in different bases
2 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.
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12:32 Equations with Indices
Clear UK walkthrough of solving index equations by writing both sides to a common base.