问题
填空题
2.45×0.8的积是______位小数,精确到十分位约是______.
答案
2.45×0.8=1.96;
1.96是两位小数,所以,2.45×0.8的积是两位小数;
1.96精确到十分位是2.0.
答:2.45×0.8的积是两位小数,精确到十分位约是2.0.
故答案为:两,2.0.
2.45×0.8的积是______位小数,精确到十分位约是______.
2.45×0.8=1.96;
1.96是两位小数,所以,2.45×0.8的积是两位小数;
1.96精确到十分位是2.0.
答:2.45×0.8的积是两位小数,精确到十分位约是2.0.
故答案为:两,2.0.