Question

help me solve this ​

Answer 1

I am doing Q -4,5,6

Q4.I can't write it but u will find the answer in the attachment....
Q5
$9 {x}^{6} {y}^{2} \div 3 {x}^{2} y$
=
$= \frac{9 {x}^{6} {y}^{2} }{ {3xy}^{2} }$
$= = 3 {x}^{4} y$

Q.6
${2}^{ {3}^{ {4}^{ {5}^{} } } }$
$= {2}^{ 3 \times 4 \times 5}$
$= {2}^{60}$
$= 1152921504606850000$

the question is not be be done this way...