66000 x 60 x 60 = 237,600,000 seconds
66000 x 666000 = 43956000000
There are 0.3048 metres in one foot. Therefore, 66000 feet is equal to 66000 x 0.3048 = 20116.8 metres.
20% of 66000= 20% * 66000= 0.2 * 66000= 13,200
1000 x 66 = 66000
6.6 x 10^4
6.6e4 or 6.6 x 104
300 x 220 = 66000
66000
6.6 X 104 ======== The zeros are superfluous.
66000
30% of $66000 = $19800 = 30% * $66000 = 30%/100% * $66000 = $19800