Recall. Write each expression in expanded form. Write your answer on a separate sheet of paper.

1. ab
2. 7ײ
3.-15xy
4.12a²
5.8y²
6.19b³
7.xyz
8.a²b²
9.(25ab)²
10.(-abc)³
11.28x²y²
12.15abc²
13.-32xy³
14.45c²y
15.-50a²b

please don't answer nonsense, sp/am, useless answer, random answer, wrong answer or if you don't know answer ​or I will REPORT