Question

how much seconds = 3hrs 45 minutes​

Answer 1

Answer:

3780 sec

Step-by-step explanation:

3 hrs = 3 x 60 min

= 180 x 60 Sec

= 1080 sec

45 min = 45 x 60

= 2700 sec

Total = 1080 + 2700

= 3780 Sec

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Answer 2

Answer:

No of secs in 1 hr = 60×60 = 3600

in 1 min = 60 secs.

then

in 3hr 45 mins no of seconds = 3×3600+45×60 = 10800+2700 = 13500

13500 seconds.

hope it helps....