Question

Convert 25 km 356 m 79 cm 3 mm into millimetres

Answer 1

1 km = 1000 m

so

25 km 356 m = 25356 m

now 1 m = 100 cm

so

25356 m = 2535679 cm.

now 1 cm = 10 mm

so

2535679 cm = 25356793 mm

Hope it helps u ❤️❤️❤️