Question

convert into second
(a) 8 min
(b) 12 min
(c) 15min 12s
(d) 7min 17s
(e) 12h
(f) 6h
(g) 10h
(h)3h 22min

Answer 1

Answer:

(a)8min=8×60=480s

(b)12min=12×60=720s

(c)15min 12s=15×60+12=912s

(d)7 min 17s=7×60+17=437s

(e)12h= 12×60×60=43200s

(f)6h=6×60×60=21600s

(g)10h=10×60×60=36000s

(h)3h 22min=3×60×60+(22×60)=12120s