Respuesta :

alice2020324
answer: a. 6.36×10^7
the first thing you have to know is that scientific notation is shown as the product of a number n (1≤n<10) and ten to the x th power. So c and d are wrong. 
then count. so you will see a is right
lilzaymoneybag

Answer:

A) 6.36×10^7

Step-by-step explanation: