Write the expanded form of the given number:

$79$

Write the expanded form of the given number:

$57$

Write the expanded form of the given number:

$31$

Write the expanded form of the given number:

$20$

Write the number in compact form:

$50+6$

Write the number in compact form:

Write the number in compact form:

Write the number in compact form:

Suman has $12$ chocolates. Her mother gave her $9$ more chocolates. How many chocolates does she have now?