有效數字的計算
想請問一題有效數字的計算
題目:(16.167+73)/5.10 = ?
我本來的想法是
分子部分 16.167+73 = 89.167 取 89
再用 89/5.10 = 17.4509...... 所以答案為17
可是答案並沒有這個選項QQ,我哪裡想法錯了??
我再猜是不是分子部分取錯
我知道加減的有效位數是取小數點最少位者
所以是取到89嗎??(因為73無小數位)
煩請各位高手指點我一下!!!感激不盡!!!!
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