0.595 kilograms
21 of them.
Exactly 21 of them
21 kg = 3.3 stone
21,000 grams
Divide by 2.2
An even number is always some quantity of 'twos' (2's), and any quantity of twos is an even number. The first even number is a quantity of twos, and the second even number is another quantity of twos. When you add the first quantity of twos to the second quantity of twos, you get a new quantity of twos. Since the new quantity of twos is a quantity of twos, it's an even number.
No, 21 kg= 21,000 g= 21,000,000 mg
There is not enough information to calculate the two missing sides.
213 twos.
7 twos
15 of them.
21 lbs = 9.53 kg