Question: 4 Find, giving your answer to 3 significant figures where appropriate, the value of x: which (a) 5' = 10, (b) log,(x-2)=-1.

4 Find, giving your answer to 3 significant figures where appropriate, the 

4 Find, giving your answer to 3 significant figures where appropriate, the value of x: which (a) 5' = 10, (b) log,(x-2)=-1.

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