问题 填空题

用四舍五入法将0.05049精确到千分位是______,将4.34×104精确到千位是______.

答案

将0.05049精确到千分位是0.050,

∵4.34×104=43400≈4.3×104

∴将4.34×104精确到千位是4.3×104

故答案为0.050,4.3×104

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