Question Text
Question 2 :
A light year is the distance that light can travel in one year. 1 light year = 9,460,000,000,000 km. The average distance between Earth and Sun is $1.496 × 10^8$km. Is the distance between Earth and the Sun greater than, less than or equal to one light year?
Question 3 :
Fill in the blanks with <, > or $=$ sign, $7^4$____$5^4$
Question 12 :
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 14 :
Fill in the blanks with <, > or $=$ sign,10,000 ________$10^5$
Question 16 :
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 21 :
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 22 :
Express the following as a product of powers of their prime
factors: 2025
Question 25 :
By what number should we multiply $3^3$ so that the product may
be equal to $3^7$?