Sagot :
[tex]1.0 \ kg = 1 \ 0000 \ g \\ \\ 2.5 \ kg = 2.5 \cdot 1\ 000 \ g =2 \ 500 \ g[/tex]
YOU COULD HAVE 2500 GRAMS. RECALL THE FORMULA TO EXPAND BIGGER UNITS TO SMALLER UNITS: kg*1000 = g.