Question 3 :
By what number should we multiply $3^3$ so that the product may be equal to $3^7$?

Question 13 :
The standard form of the number 72105.4 is written as $7.21054 \times 10^n$ where $n$ is equal to

Question 17 :
Find the value of $n$ where $n$ is an integer: $2^{n-5}\times 6^{2n-4}= \frac{1}{12^4\times\ 2}$

Question 19 :
Find the product of the square of $x$ with the cube of $x$.

Question 20 :
The speed of light in vaccum is $3 × 10^8$ m/s. Sunlight takes about 8 minutes to reach the earth. Express distance of Sun from Earth in standard form.

Question 23 :
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 25 :
Fill in the blanks with <, > or $=$ sign, $6^3 $_____$ 4^4$

Question 30 :
In $10^{-5}$, – 5 is the exponent and 10 is the ________.

Question 31 :
Fill in the blanks with <, > or $=$ sign,10,000 ________$10^5$

Question 32 :
State whether TRUE or FALSE: $876543 = 8 \times 10^{5} + 7 \times 10^{4} + 6 \times 10^{3} + 5 \times 10^{2} + 4 \times 10^{1} + 3 × 10^0$

Question 38 :
Very large numbers can be expressed in standard form, also known as _______ notation.

Question 41 :
State whether true of false: $x^0 \times\ x^0 = x^0 \div\ x^0$ is true for all non-zero values of x.

Question 48 :
Any number that has an exponent of 0 is equal to