In solving a quadratic equation, one of the values of the variable x is 233.356. The solution rounded to two significant figures is ______.

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In solving a quadratic equation, one of the values of the variable x is 233.356. The solution rounded to two significant figures is 230. Explanation: “Two significant figures” means keep the first two non‑zero digits and round the rest. 233.356 = 2.33356 $\times$ 102; keeping two significant figures gives 2.3 $\times$ 102 = 230.

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