Question

how many milliseconds (ms) are there in 3.5 seconds (s)?
35 ms
350 ms
3,500 ms
35,000 ms

Explanation:

Step1: Recall conversion factor

1 second = 1000 milliseconds.

Step2: Calculate milliseconds in 3.5 seconds

$3.5\times1000 = 3500$ milliseconds.

Answer:

3,500 ms