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otez555 [7]
3 years ago
12

4.5hour into second​

Mathematics
2 answers:
Yanka [14]3 years ago
6 0

Step-by-step explanation:

4 .5 ×60min

4.5×60×60sec

16200 sec

Alecsey [184]3 years ago
3 0

1 hour -3600 sec                                                                                                    4,5 hoer - x sec                                                                                                         x=4,5* 3600=45*360=16200 sec                                                                     Answer: 4,5 hour = 16200 sec

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