Question 4 :
If the exponent of a negative integer&nbsp;<span>is even then the result is a ............ integer.</span>

Question 6 :
Which of the following numbers is greatest of all?<br>$2^3 \times {10}^7, 3^2 \times {10}^7$ and $4^2 \times {10}^7$

Question 11 :
Mark the correct answer:<br>Is $4 \times {10}^8 $ greater than $2^2 \times {10}^8 $?

Question 13 :
Fill in the blank:<br>$25 \times {10}^5$ is ______ $2.5 \times {10}^5$.

Question 15 :
Mark the correct answer:<br>$3^2 \times 10^3 \times 30 $ is less than $ 8.1 \times {10}^5$

Question 19 :
Find the missing term:<br/>$3.1 \times {10}^{49} + 3 \times {10}^{49} = $&#160;<span>$7.2 \times {10}^{49} - ? $</span>

Question 20 :
Mark the greatest number of all:<br>$3.1 \times {10}^{3}$, $3 \times {10}^{2}$ and $1.1 \times {10}^{5}$

Question 21 :
Dishan, during her study related to measurements of the various kind of insects&#160;<span>found that the insect $A$ has length&#160;</span><span>$5.5 \times {10}^{21}$ $cm$ less than the length of insect $B$. If the insect $B$ has length&#160;</span><span>$16.5 \times {10}^{21}$ $cm$, then find the length of insect $A$.</span>

Question 22 :
$\left( \dfrac { 1 }{ 2 }&nbsp; \right) ^{ -2 }+\quad \left( \dfrac { 1 }{ 3 }&nbsp; \right) ^{ -2 }+\left( \dfrac { 1 }{ 4 }&nbsp; \right) ^{ -2 }$

Question 23 :
If $x$ be any integer different from zero and $m$ be any integers then $x^{-m}$ is equal to

Question 25 :
$\left\{ \left( \dfrac { 1 }{ 3 }&nbsp; \right) ^{ -3 }-\quad \left( \dfrac { 1 }{ 2 }&nbsp; \right) ^{ -3 } \right\} \div \quad \left( \dfrac { 1 }{ 4 }&nbsp; \right) ^{ -3 }=?$

Question 29 :
<span>Divide the given polynomial by the given monomial.</span><div>$8(x^3y^2z^2 + x^2y^3z^2 + x^2y^2z^3)\div&#160; &#160;4x^2y^2z^2$<br/></div>

Question 31 :
<div><span>Divide the given polynomial by the given monomial.</span></div><div>$(3y^8-&#160; 4y^6 + 5y^4) \div y^4$<br/></div>

Question 33 :
<span>Divide the given polynomial by the given monomial.</span><div>$(x^3 + 2x^2 + 3x)\div&#160; 2x$<br/></div>

Question 35 :
If $30x^{3} + 45x^{2} - 10x$ is divided by $5x$, find the resulting coefficient of $x$

Question 46 :
Evaluate: $\displaystyle \frac { x\left( 8{ x }^{ 2 }-32 \right) &#160;}{ 8x\left( x-4 \right) &#160;}&#160;$