Answer:
option C
Explanation:
Evaluate 0.00008 ÷ 640,000,000.
0.00008 can be written in standard notation
Move the decimal point to the end
so it becomes

for 640,000,000 , remove all the zeros and write it in standard form

Now we divide both

Apply exponential property
a^m divide by a^n is a^ m-n


