1m^3=1m*1m*1m=10dm*10dm*10dm=1000dm^3
1dm^3=10^(-3)m^3,所以:
0.57dm^3=0.57*10^(-3)m^3
铅球的密度:
4/0.57
=7.0175kg/dm^3
=7.0175*10^3kg/m^3
1m^3=1m*1m*1m=10dm*10dm*10dm=1000dm^3
1dm^3=10^(-3)m^3,所以:
0.57dm^3=0.57*10^(-3)m^3
铅球的密度:
4/0.57
=7.0175kg/dm^3
=7.0175*10^3kg/m^3