Question

5)a strip of paper has a length of 14cm what is the lengh of the strip of paper in mm, and in km

Answer 1

a) 1 cm ---------- 10 mm
    14 cm ---------- ?

14 x 10 / 1 => 140 mm
-------------------------------------------------------

b) 1 cm ----------- 0.00001 km
    14 cm ---------- ?

14 x 0.00001 / 1 => 0.00014 km