4a) Write the missing numbers or words.

105 — a hundred and five

200 — two hundred

350 — three hundred and fifty

875 — eight hundred and seventy-five

1,000 — a thousand

1,500 — one thousand five hundred

2,012 — two thousand and twelve

5,420 — five thousand four hundred and twenty

25,000 — twenty-five thousand

100,000 — a hundred thousand

1,000,000 — a million

2,300,000 — two million three hundred thousand