Arithmetical decimal system
Each power of ten multiplies or divides the number by ten
I think it is B don't take my word for it.
The answer that fills in the blank is fired.
Answer:
Concrete operational thinking
Explanation:
Concrete operational thinking is the third stage in French psychologist Jean Piaget's theory of cognitive development. Children typically reach this stage, which is characterized by logical reasoning about real situations without being influenced by changes in appearances, at the age of seven or eight.
