Yoon has a number of dimes and quarters she wants to put into rolls. she has 124 coins in all that add up to $20.50. if a roll of quarters is equal to ten dollars, how many extra quarters does she have that will not fill up a roll?

step-by-step explanation:

given expression is .

now we need to simplify the given expression .

we know that square root is equivalent to the power 1/2. so that means we can take half of the exponents to get the square root of given expression.

expanding that will give a very very large number so let's keep answer in exponent form.