Answer
$1.09 \times 10^{-5}$
Work Step by Step
To convert the given decimal to scientific notation, perform the following steps:
(1) Move the decimal point 5 places to the right to obtain $1.09$.
(2) To retain the value of the given expression, multiply $10^{-5}$ to the result in Step (1) above to obtain:
$0.0000109 = 1.09 \times 10^{-5}$
