Răspuns :
Răspuns:
2h 45 min 20 sec = 2*(60*60)+45*60+20 = 2*3600 +45*60 +20 = 9920 s
Explicație:
https://www.calculatorsoup.com/calculators/time/time-to-decimal-calculator.php
Răspuns:
2h = 60•60•2 = 3600•2 = 7200 sec
45 min = 60•45 = 2700 sec
20 sec = 20 sec
7200+2700+20 = 9920 sec
9920 sec = 2h 45 min 20 sec.
EVERGREEN