Question

Question 3(iv)
Express each of the following numbers using exponential notation:
(iv) 3125

Answer 1

(iv) $3125=5\times 5\times 5\times 5\times 5=5^5$
$$\begin{array}{cc}5& 3125\\ 5& 625\\ 5& 125\\ 5& 25\\ 5& 5\\ & 1\end{array}$$