Question

5.3×0.46的積里有

3

位小數(shù)．

Answer 1

分析：根據(jù)小數(shù)乘法的計算方法知：積的小數(shù)位數(shù)等于因數(shù)中各個小數(shù)位數(shù)的和．據(jù)此解答．

解答：解：5.3×0.46的因數(shù)中一共有3位小數(shù)，所以積的小數(shù)位數(shù)也是3位．
故答案為：3．

點(diǎn)評：本題主要考查了學(xué)生根據(jù)小數(shù)乘法的意義列式解答問題的能力．