The number
When you multiply the number twice, you. the number

square

Step-by-step explanation:

when multiplied by itself the number is squared

21.4 i did it already for s1

step-by-step explanation:

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.