Answer:
a
Explanation:
a number expressed in standard form is
a ×
where 1 ≤ a < 10 and n is an integer
given
0.0004853 ( place the decimal point after the 4 )
= 4.853 ×
to place the decimal point in its original position we require to shift it 4 places left , denoted by - 4 on the exponent , that is
0.0004853 = 4.853 ×