Replication, Multiplication, and Substitution.
The turn signal indicator should be activated at least FIVE SECONDS before merging. This is done in order to let the other drivers behind you know that you want to turn and to slow down for you, this keeps you and other road users safe and prevent accident.
To that multiply 1.9 by 5 to get 9.5. The zebra has gone 9.5 m.
