问题
填空题
3.14×0.16的积是______位小数,积保留二位小数约是______.
答案
3.14是2位小数,0.16页数2位小数,共四位小数,所以积是四位小数,
3.14×0.16=0.5024,
0.5024≈0.50;
故答案为:4,0.50.
3.14×0.16的积是______位小数,积保留二位小数约是______.
3.14是2位小数,0.16页数2位小数,共四位小数,所以积是四位小数,
3.14×0.16=0.5024,
0.5024≈0.50;
故答案为:4,0.50.