### How many milliseconds are there in a second?

1000 milliseconds. the SI prefix milli means 1 thousandth, therefore if a millisecond is a thousandth of a second, then 1000 millliseconds have to combine to make a second. The prefix is familiar, and is commonly used as millilitre, milligram and millimetre, each meaning the same, 1/1000 There are 1000 miliseconds in 1 second. Assuming you mean "millisecond" the answer is 1000 (one thousand). The prefix "milli" means one thousandth. 1000 1 second= 1000 miliseconds…

### What is the nearest thousandth to 546.73856?

546.739 A thousandth (0.001) refers to the number one split into one thousand parts. Since one thousand (1000) has three zeros, the easiest way to remember it is you need three decimal places. Similarly, a hundreth (0.01) needs two decimal places, and a tenth (0.1) needs one decimal place. The answer above was also rounded up because the ten-thousandth place digit was 5.