In mathematics, a square is the result of multiplying a number by itself. The verb "to square" is used to denote this operation. Squaring is the same as raising to the power 2, and is denoted by a superscript 2; for instance, the square of 3 may be written as 32, which is the number 9.
Answer:
B .00030
Step-by-step explanation:
Answer:
-9+12
Step-by-step explanation:
13 you add both of the factors