JAMB - Mathematics (1982 - No. 23)
Express 130 kilometers per second in meters per hour
7.8 x 10-5
4.68 x 106
7,800,000
4.68 x 108
7.80 x 105
Spiegazione
1km = 1000m
60sec. = 1 mins
60 mins. = 1 hr
130000m per sec = 130000 x 3600
= 468000000m/hr
= 468 x 108 m/hr
60sec. = 1 mins
60 mins. = 1 hr
130000m per sec = 130000 x 3600
= 468000000m/hr
= 468 x 108 m/hr