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31 March, 18:10

1. Paulo ran a marathon in about 1.56 x 10^4 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 work.

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  1. 31 March, 20:47
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    A. 1.56x10^4 = 15,600 seconds

    b. Paulo = 15600s/60min = 260 mins/1 hour = 4h 10 mins

    Miguel = 4h 16min

    Paulo ran the race in a shorter amount of time approximately 6 mins faster than Miguel
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