How many grams should be added to 2kg 300g to make it 5kg 68g?
2768 g
Step 1: Convert both to grams.
\(2\text{ kg }300\text{ g} = 2 \times 1000\text{ g} + 300\text{ g}\)
\(= 2000\text{ g} + 300\text{ g}\)
\(= 2300\text{ g}\)
\(5\text{ kg }68\text{ g} = 5 \times 1000\text{ g} + 68\text{ g}\)
\(= 5000\text{ g} + 68\text{ g}\)
\(= 5068\text{ g}\)
Step 2: Find how many grams to add.
\(\text{grams to add} = 5068 - 2300\)
\(= 2768\text{ g}\)
Answer: Add \(2768\text{ g}\).