Question 1 :
The major components of human blood are red blood cells, white blood cells, platelets and plasma. A typical red blood cell has a diameter of approximately $7 × 10^{-6}$ metres. A typical platelet has a diameter of approximately $2.33 × 10^{-6}$ metre. Which has a greater diameter, a red blood cell or a platelet?

Question 4 :
Fill in the blanks with <, > or $=$ sign, $3^2$___15

Question 14 :
State whether true or false: $x^m\times x^n=x^{m+n}$, where x is a non-zero rational number and m,n are positive integers.

Question 16 :
State whether TRUE or FALSE: $(5\hspace{1mm} . 2)^{4} = 5^{4} . 2^{4}$

Question 18 :
How many times of 30 must be added together to get a sum equal to $30^7$?

Question 20 :
State whether true of false: $x^m \div\ y^m = (x\div y)^m$, where x and y are non-zero rational numbers and m is a positive integer.

Question 22 :
Fill in the blank: To express any number in scientific notation, write it as the product of a power of _____ and a number greater than or equal to 1 but less than 10.

Question 27 :
State whether true or false: $\frac{a^4}{b^3} = \frac{a +a + a + a}{b + b + b}$

Question 39 :
The standard form of the number 72105.4 is written as $7.21054 \times 10^n$ where $n$ is equal to

Question 40 :
For non-zero numbers a and b, $\left(\frac{a}{b}\right)^m\div\left(\frac{a}{b}\right)^n$, where m > n, is equal to

Question 41 :
Express the following as a product of powers of their prime factors: 9000

Question 43 :
State TRUE or FALSE: The exponent tells you how many times the base is repeated as a factor in the multiplication

Question 44 :
Find the product of the square of $x$ with the cube of $x$.

Question 46 :
$a^m\times a^n=a^x$, where $x$ is the _________ of $m$ and $n$.

Question 47 :
Fill in the blanks with <, > or $=$ sign, $6^3 $_____$ 4^4$

Question 48 :
The average size of an atom is about 0.00000003 centimetre across. This can be written in scientific notation as: