Answer
990 ml
Work Step by Step
0.99 L to ml
Unit for the answer (ml) is in numerator; unit being changed (L) is in denominator so it will divide out. The unit fraction is $\frac{1000 ml}{1 L}$.
Multiply 0.99 L times to the unit fraction
0.99 L * $\frac{1000 ml}{1 L}$ = 990 ml