Question

Question 4(iii)
Express each of the following as a product of prime factors only in exponential form:
(iii) $729\times 64$

Answer 1

(iii) $729\times 64$
$=3^6\times 2^6$
$$\begin{array}{cc}3& 729\\ 3& 243\\ 3& 81\\ 3& 27\\ 3& 9\\ 3& 3\\ & 1\end{array}$$

$$\begin{array}{cc}2& 64\\ 2& 32\\ 2& 16\\ 2& 8\\ 2& 4\\ 2& 2\\ & 1\end{array}$$