Question

transformati:420g+30g=?t

Answer 1

420 g = 0,420 kg = 0,000420 t
30 g = 0,030 kg = 0,000030 t

total = 0,000450 t

Answer 2

420g+30g=450g
1g=$10^{-3}$ Kg
1Kg=$10^{-3}$ t
deci 1g=$10^{-6}$

Raspunsul e 450 * $10^{-6}$ t