These are called collocations. Learn some of the verbs that we often use with the noun 'paper' with Phil in this video. If you write a paper, you produce a piece of academic text, as part of a ...
When you multiply by 1 the answer stays the same. 21 × 1 = 21 When you multiply by 10, move all the digits one place to the left, putting a zero in the empty space. 21 × 10 = 210 When you ...