(题目表达的意思有点模糊.我分几种情况列下来吧.1) [(1.49*10)^3]^3 = 14.9^9 = 36197319879.62022) 1.49*[(10^3)^3] = 1.49*(10^9) = 1.49*1000000000 = 14900000003) [1.49*(10^3)]^3 = 1490^3 = 3307949000...