Sentence examples for know how many digits from inspiring English sources

Like what the Teacher D said: "only if students know how many digits the quotient has, are they able to write the 'number' of the quotient in the right column.

Gregory said that he didn't know how many trees you would have to grind up in order to publish a billion digits of pi in a book.

"I just didn't know how many".

"I don't know how many.

You know how many agreed?

Know how many I kept?

It is impossible to know how many.

"You know how many black men graduate?

I don't know how many kilometers.

"People want to know how many died".

Again we do not know how many.