Question

Average radius of the Sun is 695000 km.​

Answer 1

Standard form of average radius of sun is 6.95 × 10⁵ km

Correct question : The average radius of Sun is 695000 km. Express this radius in standard form.

Given :

The average radius of sun is 695000 km

To find :

Standard form of average radius of sun

Concept :

For any given number Standard form is a way to express the number .

It is generally used to express a large or a small number

The standard form of any given number is

$\sf = m\times {10}^{n}$

Where m is a number such that 1 ≤ m < 10 and n is the exponent of 10

Solution :

Step 1 of 2 :

Write down average radius of sun

Here it is given that the average radius of sun is 695000 km

Step 2 of 2 :

Find standard form of average radius of sun

$\displaystyle \sf 695000 \: \: km$

$\displaystyle \sf = (695 \times 1000) \: \: km$

$\displaystyle \sf = (6.95 \times 100 \times 1000) \: \: km$

$\displaystyle \sf = (6.95 \times 100000) \: \: km$

$\displaystyle \sf = (6.95 \times {10}^{5} ) \: \: km$

Hence Standard form of average radius of sun is 6.95 × 10⁵ km

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