Partitioning numbers in different ways

Maths

All of these answers are different ways of partitioning the number 121- which one is wrong?

All of these answers are different ways of partitioning the number 345- which one is wrong?

Which  is a correct way of partitioning the number 281?

Which  is a correct way of partitioning the number 742?

How would I write the number 'seven hundred and forty two' in numerals?

How would I write the number one hundred and four in numerals?

How would I write the number 'six hundred and twenty' in numerals?