Question 19
Human hair grows at a rate of about $1$ centimetre per month. This is equivalent to about how many millimetres every ten years?
(A) $12$
(B) $120$
(C) $1\,200$
(D) $12\,000$
(E) $120\,000$
(A) $12$
(B) $120$
(C) $1\,200$
(D) $12\,000$
(E) $120\,000$