400
What's the correct way of saying these numbers?
Today, I ate 5 apples. Last week, I ate 15 apples. Last year, I ate five thousand apples. In my lifetime, I have eaten 5,000,000 apples.
By the time I turn seventy-nine, I will have eaten 5 billion apples.
Today, I ate five apples. Last week, I ate 15 apples. Last year, ate 5,000 apples. In my lifetime, I have eaten 5 million apples.
By the time I turn 79, I will have eaten 5 billion apples.
(Note: I didn't actually eat any apples today.)