Answer
$.000027$
Work Step by Step
We are given the number $2.7\times10^{-5}$. Since the exponent is negative, move the decimal 5 places to the left.
Note that 5 places to the left will be 4 decimal places past the first digit (2), so we will add 4 zeroes before 2.
$2.7\times10^{-5}=.000027$