How many seconds are in a day?
How many hours are in a year?
How many kg are there in 7×1025 μg?
How many sec are there in 5.2 ×1018 ns?
Please convert 20 km to cm.
If you’re going 50 miles/hour, how many feet/second are you traveling?
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86,400 seconds; 8,760 hours; 7 x 1016 kg; 5.2 x 109 seconds; 2 x 106 cm; 70 feet/second