Short Answer

Comparing Soil Contaminant Levels

An environmental scientist is comparing lead concentration levels in two different soil samples. Sample A has a lead level of 0.64 mg/kg, and Sample B has a lead level of 0.6 mg/kg. To compare these values accurately using the standard decimal ordering procedure, Sample B (0.6) must be rewritten to have the same number of decimal places as Sample A (0.64). Identify which sample has the higher lead concentration and state the equivalent decimal value that Sample B must be rewritten as.

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Updated 2026-04-18

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