Write the standard numeral for the following:

$300000+20000+6000+500+90+7$

Write the standard numeral for the following:

$900000+8000+400+20+8$

Use all the digits only once to make the smallest possible $6$ digit number.

$4, 1, 7, 3, 5, 2$

Use all the digits only once to make the smallest possible $6$ digit number.

$5, 1, 6, 3, 8, 9$

Make the greatest possible $6$ digit number by using the digits $1, 6, 3, 5, 0, 7$ only once.

Find the difference between the smallest $5$ digit number and the greatest $6$ digit number. 

Find the sum of place values of $3$ and $7$ in the number $90,30,678$.

Write the following number in words:

$13,45,609$

Write the following number in words:

$9,99,99,999$