Question

1 dm = how many cm and meter

Answer 1

d = deci = 0.1
c = centi = 0.01

1 dm = 1 × 0.1 m = 0.1 m
1 cm = 1 × 0.01 m = 0.01 m  ⇒ 1 m = 100 cm
1 dm = 0.1 m = 0.1 × 100 cm = 10 cm