Question

convert:a=50km 9m into m. b=7 m 8cm into cm​

Answer 1

Step-by-step explanation:

50km9m

(50×1000)+9m

50009m

(7×100)+8cm

700+8cm

708cm

Answer 2

a) 50 km 9 m

1 km =1000 m .......(1)

Therefore,

50 km 9 m = 50×1000+9

= 50000+9

= 50009 m

b) 7m 8cm

1 m=100 cm.......(1)

Therefore,

7m 8cm= 7×100+8

=708 cm

Hope it helps...☺