Scientific notation is
where 1≤x<10 and b is an integer
b is how many spaces you had to move the decimal to the left in the original number to obtain x
so
48,100,000,000,000
to
4.8100000000000
the decimal was moved 13 spaces
so b=13
a=4.81
in scientific notation, 48,100,000,000,000 is
b is how many spaces you had to move the decimal to the left in the original number to obtain x
so
48,100,000,000,000
to
4.8100000000000
the decimal was moved 13 spaces
so b=13
a=4.81
in scientific notation, 48,100,000,000,000 is