Jawapan

2015-09-10T00:29:39+08:00
= 7 X 2^6 X 7^(2X1/2) / 2^(4X1/2)

= 7 X 2^6 X 7 X 2^(-2)

= 7^(1+1) X 2^(6-2)

= 7^2 X 2^4

=49 X 16

=784