Question

What is the sum of 73 cm 6mm 8mm and 45 mm?

Answer 1

Answer:

789 mm => 78.9 cm

Step-by-step explanation:

we know that

1 cm = 10 mm

1 mm =1/10 cm

73 cm = 73 x 10 = 730 mm

730 + 8 + 6 + 45 = 789 mm

=> 789/10 = 78.9 cm