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.
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______.
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.