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Timers at a swim meet used four different clocks to time an event. Which recorded time is the least precise?

A48.9107 s
B48.91 s
C48.910 s
D48.9 s

Verified Answer :

the answer should be D due to the fact that A,B,andC  are showing the exact time in which it took for the event while D is vary general on the time the event stoped

Answer:

Least precise recorded time is 48.9 seconds.

Explanation:

Here, we need to write the recorded time that is least precise. The given options are (a) 48.9107 s  (b) 48.91 s  (c) 48.910 s  (d) 48.9 s. The precision in any measurement is defined as closeness in any measurement.

First option is most precise as it is precised to four decimal places. Second option is precised to two decimal places. Third option is precised to 3 decimal places. But in option fourth, the recorded time is precised to one decimal place.

Hence, the correct option is (d).

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