Comparision of Quantities Using Exponents

Q. Which of the following not equal to $y^6$?

1. $\sqrt[3]{3y^{18}}$
2. ${\left(y^{\frac{2}{3}}\right)}^9$
3. ${\left(\sqrt{y^6}\right)}^2$
4. ${\left(y^{\frac{1}{3}}\right)}^{12}$

Q.

Which of the following statements is correct?

1. 6.5 is an integer

2. 0 is a natural number

3. -1 is a whole number

4. 1 is a whole number

Q.

Which of the following statements is correct?

1. -1 is a whole number

2. 1 is a whole number

3. 0 is a natural number

4. 6.5 is an integer