Express the following number in standard form.

$7,68,500$

Express the following number in standard form.

$8,65,42,31,000$

Express the following number in standard form.

$7,12,56,000$

Express the following number in standard form.

$8,14,72,75,41,000$

Express the following number in standard form.

$4097.56$

Express the following number in standard form.

$14251.341$

Express the following number in standard form.

$200.426$

The cost of a house is $₹2,00,00,000$. Write this amount in standard form.

The weight of a blue whale is about $1,40,000 kg$. Express the same using standard form.