Question

Scientific notation is written in the form a*10^n. What must be true about the a value?

It can't be longer than 2 digits
It has to be greater than 100
It must be positive
It has to be a single digit between 1 and 10

Answer 1

It has to be a single digit between 1 and 10

Answer 2

It has to be a single digit between 1 and 10