A pencil is 7 centimetres long. Enter its length in millimetres.
Правильный ответ
70 · Допустимые единицы: millimetres · mm
Объяснение
Each centimetre is divided into ten millimetres, so seven centimetres hold seven of those tens. Entering 700 applies the hundred-step that belongs between metres and centimetres and stretches a pencil to the length of a table.