which of the following statements is not true regarding an expression written in scientific notation in the form of ax10^n

a ) the value of a must be greater than or equal to 1 and small than 10
b ) the value of n must be an integer
c ) doubling n results in a doubling of the value of the expression
d ) double a results ina doubling of the value of the expression

b) the value of n must be an integer

In scientific notation, the value of n can be positive or negative, but it does not have to be an integer. It can be a decimal or fraction.