Maths,who canhelp me???

Maths,who canhelp me???

790.83mL=_______???(correct to the nearest mL)
=791mL

24902.7cm2=_______???(correct to the nearest cm2)
=24902cm2

7257cm=_______???(correct to the nearest m)
=73m

0.0307cm=_______???(correct to the nearest 0.1mm
=0.0mm

3743g=_______???(correct to the nearest kg)
=4kg


Hope I can help you

2007-08-07 18:45:08 補充：
更正第4題0.0307cm=_______???(correct to the nearest 0.1mm0.0307cm=0.307mm=0.3mm<--最后答案

1.790mL
2.24902cm^2
3.73m
4.0.0307cm = 0.307mm
sol:0.3mm
5.3743g = 3.743kg
sol:4kg

2007-08-03 12:18:05 補充：
更正：1. 791**mL樓上計錯第四