Respuesta :
Answer:
A is the answer.
Step-by-step explanation:
3.2 x 10-9 = 23.
All the other answers are more than 23.
Answer:
A
Step-by-step explanation:
Because if you do 3.2*10= 32
then you subtract 9 32-9= 23
And when you multiply the other, it is already bigger that 23.
Please don't report me. Because I am not sure if you are doing exponent or not. Exponent is 10^3, like that.