Indices, Index Form and Common Logarithms
Grade 9 · Mathematics · Algebra (Indices and Logarithms)
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Index form: 8 = 2³. Laws: aᵐ x aⁿ = aᵐ⁺ⁿ; aᵐ ÷ aⁿ = aᵐ⁻ⁿ; (aᵐ)ⁿ = aᵐⁿ; a⁰ = 1. A logarithm (base 10): log 10ⁿ = n. So log 100 = 2 and log 1000 = 3.
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