2488精确到千位2012.49精确到个位4.951精确到十分位0.08046精确到0.001

问题描述:

2488精确到千位2012.49精确到个位4.951精确到十分位0.08046精确到0.001

2488精确到千位≈2000
2012.49精确到个位≈2012
4.951精确到十分位≈4.95
0.08046精确到0.001≈0.080