Two refers to the quantity of 2. Example: I have two apples.
Twice means "two times" which refers to both multiplication and two occurrences. For example: I have twice (two times) the amount of clothes than my sister. OR
I went to the mall twice (two times) today.
Two is a number. Twice is an operator which means multiply by 2. Several is a non-specific number, more than 2 but not very many.
Twice as many means two times as more.
two more
times two
One phrase commonly used to mean twice is "a two-fer".
two fold means twice as much.
It means multiply by two. As in "what is twice 3" that means what is 3x2.
2x - 2
Twice in Math would mean the same as it would anywhere elses. It would mean to do something two times.
It means "twice as much", i.e "doubled".
Twice a month means that something happens two times in one month, usually on a regular schedule.
yes