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Using laws of exponents, simplify and write the answer in exponential from: `a^4xxb^4` (ii) `(2^(20)-:2^(15))xx2^3`

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  9. Simplify and write each of the following in exponential from: 8^2-:2^3...

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  15. Find the value of n in each of the following: (2^2)^n=(2^3)^4 (ii) 2^(...

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  17. If 25^n^(-1)+100=5^(2n)^(-1), find the value of ndot

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  18. Find n such that (2/3)^3xx(2/3)^5=(2/3)^n^(-2) ((125)/8)^5xx((125)/8)...

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