Explanation:
The distance between Earth and the moon is about 384,100 km.
A number in scientific notation is given as :
[tex]N=x\times 10^y[/tex]
Where x is a real number and y is any integer
In scientific notation, the distance between Earth and Moon is :
[tex]d=384100\ km\\\\d=3.8\times 10^5\ km[/tex]
It means a = 3 and b = 5.
