Question

Please helpexplain one and I'll figure out the rest thanks

Answer 1

Multiply it by 1000 and do it to the rest

Answer 2

The page gives you the information that 1 kg is equal to 1000 grams.
This means that you just need to multiply each kg by 1000.

e.g. $6.8 * 1000 = 6800$

Hope this helps!