Powers of 10 and common logarithms
Mathematics · Grade 9 · about 40 minutes
A common logarithm is the index when a number is written as a power of 10. Read it from the power, from tables, or from a calculator.
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- 10 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Index form: base and index
- Multiply powers: add the indices
- Divide powers: subtract the indices
- Power of a power: multiply the indices
- Zero index and index one
- Powers of 10 and common logarithms