Question Text
Question 6 :
Give that$\displaystyle 10^{0.48}=x$ and$\displaystyle 10^{0.70}=y$ and$\displaystyle x^{z}=y^{2}$ then find the approximate value of z ?
Question 8 :
Exponential form of$\displaystyle \left ( -3 \right )\times \left ( -3 \right )\times \left ( -3 \right )$ is
Question 9 :
If $4^{n-2} + 4^{2} = 32$, then what is the value of $n$?
Question 10 :
The value of $\sqrt {900} + \sqrt {.09} - \sqrt {.000009}$ is
Question 11 :
State whether true or false:If $256 = 16^{n}$ then $n = 2$.
Question 13 :
Find the value of $ \left ( 2^{\tfrac{1}{4}}-1 \right )\left ( 2^{\tfrac{3}{4}}+2^{\tfrac{1}{2}}+2^{\tfrac{1}{4}}+1 \right )$
Question 15 :
If 9$^{x+2}$= 240 + 9$^{x}$ then the value of x is:
Question 16 :
If $a , b , c$ and $d$ are natural numbers such that $a ^ { 3 } = b ^ { 6 } , c ^ { 3 } = d ^ { 4 } ,$ and $d - a = 61 ,$ then thesmallest value of $c - b$ is:
Question 20 :
If $5^{k^2}(25^{2k})(625) = 25\sqrt{5}$ and $k < -1$, find the value of $k$.