Question Text
Question 1 :
The $(\frac{1}{4})^{th}$ of a cube unit contains about 97,700,000,000,000,000,000,000
atoms. This can be expressed in scientific notation as:
Question 6 :
How many times of 30 must be added together to get a sum equal to $30^7$?
Question 10 :
The average size of an atom is about 0.00000003 centimetre across. This can be written in scientific notation as:
Question 12 :
Express the following in exponential form : $3\times3\times3\times a\times a\times a\times a$
Question 15 :
State whether true or false: in $7^5$, base is 7 and exponent is 5
Question 19 :
For a non-zero rational number $x$, $x^8 \div\ x^2$ is equal to
Question 23 :
The ______ is the number that
is being repeated as a factor
in the multiplication.
Question 26 :
$a^m\times a^n=a^x$, where $x$ is the _________ of $m$ and $n$.
Question 27 :
For any two non-zero rational numbers x and y $x^5 \div\ y^5$ is equal to
Question 28 :
Express the following as a product of powers of their prime
factors: 9000
Question 30 :
Express the following as a product of powers of their prime
factors: 800