Paulo ran a marathon in about 1.56x10^4 s.
(a) Write Paulo’s time in standard notation.
(b) Miguel ran a marathon in 4 h and 16 min. Who ran the race in the shorter amount of time? Show your
a ) Paulo`s time: 1.56 x 10^4 s = 1.56 x 10,000 s = 15,600 s 60 s = 1 min 15,600 s : 60 = 260 min 260 min = 4 h 20 min ( standard notation ) b ) 4 h 16 min < 4 h 20 min Miguel ran the race in the shorter amount of time.
