Andhra Pradesh Board Solutions for Chapter: Exponents, Exercise 3: Do This

Write the expanded form of the following.

$z^5$

Find the value of $2^4, 2^3$ and $2^7$.

Verify whether $2^4\times 2^3=2^7$.

Find the values of $5^2, 5^3$ and $5^5$ and verify whether $5^2\times 5^3=5^5$.

Express the number appearing in the following statement in standard form:

The distance between the Earth and the Moon is approximately $384,000,000 \mathrm{m}$.

Express the number appearing in the following statement in standard form:

The universe is estimated to be about $12,000,000,000$ years old.

Express the number appearing in the following statement in standard form:

The distance of the sun from the centre of the Milky Way Galaxy is estimated to be $300,000,000,000,000,000,000 \mathrm{m}$.

Express the number appearing in the following statement in standard form:

The Earth has approximately $1,353,000,000 \mathrm{cubic} \mathrm{Km}$ of water.