确定下面数值有效数字的位数(1)20.30%()(2)lgKθ=5.310()(3)pOH=5.20()(4
(1)【◆题库问题◆】:[填空题] 确定下面数值有效数字的位数(1)20.30%()(2)lgKθ=5.310()(3)pOH=5.20()(4)40000()(5)0.01030()(6)8.310×105()
lgK(1)【◆题库问题◆】:[填空题] 确定下面数值有效数字的位数(1)20.30%()(2)lgKθ=5.310()(3)pOH=5.20()(4)40000()(5)0.01030()(6)8.310×105()