Scientific Notation of Numbers

The speed of light in vacuum is $3\times {10}^8 \mathrm{m}/\mathrm{s}$. Sunlight takes about $8 \min$ to reach the earth. Express distance of sun from the earth in standard form.

The population of a country is about $1,12,000,000$. Express it in standard notation. What are the consequences of high population?

Express the densities of the elements in scientific notation and arrange the elements in descending order with respect to their densities.

Find the area of the given figure (in ${\mathrm{m}}^2$).

A rain cloud holding about $5,000,000,000,000$ rain drops in standard form is represented as _____.

The scientific or standard form of a number is of the type $k\times {10}^n$, where $k$ is greater than or equal to _____ and less than _____.

Write in standard form: The distance between Saturn and Uranus is $1,439,000,000,000 \mathrm{m}$.

Write in standard form: The mass of Uranus is $86,800,000,000,000,000,000,000,000 \mathrm{kg}$.

The speed of an airplane is $1,240 \mathrm{km}$ per hour. Find the distance covered by the airplane in $3$ hours and $20$ minutes. Also, express the distance in scientific notation.

If the velocity of light is $3.0\times {10}^8$ metres per second, calculate the distance travelled by light in a light year and express it in standard form.

How many seconds are there in a leap year? Express it in standard form.

Write $0.00000006532$ in scientific notation or standard form.

Write $4,89,21,34,76,000$ in scientific notation or standard form.

Write $220,000,000,000$ in scientific notation or standard form.

Express each of the following numbers using exponential notation:

$62,500$

Express each of the following numbers using exponential notation:

$-343$

Express each of the following numbers using exponential notation:

$27,000$

Express each of the following numbers using exponential notation:

$12,500$