1) 1 second is how many milliseconds? a) 10 ms b) 100 ms c) 1000 ms 2) 1 hour is how many seconds? a) 3600 s b) 1800 s c) 7200 s 3) 1 day is how many hours? a) 12 h b) 24 h c) 48 h 4) 1 millisecond is how many seconds? a) 0.001 s b) 0.01 s c) 0.1 s 5) 30 minutes is how many seconds? a) 1800 s b) 3000 s c) 3600 s 6) 1 day is how many seconds? a) 86400 s b) 43200 s c) 96000 s 7) 3 hours is how many minutes? a) 180 min b) 300 min c) 90 min 8) 2 days is how many hours? a) 48 h b) 24 h c) 72 h 9) 15 minutes is how many seconds? a) 900 s b) 1500 s c) 600 s 10) 1 week is how many days? a) 5 days b) 7 days c) 10 days

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