express the order of magnitude of seconds in a day
Seconds n a day=24*60*60 =24*3600 =86400 =8.64 * 104s
Order of magnitude = 105s ANS (104+1=105) (Since, 8.64 > 3.2. Therefore, the power of 10 increses by 1)
[According to the rule, the power of 10 increase by 1 if the magnitude is either > or = 3.2]
