3.90625e18
Explanation:
First solve 50^10 to get 9.765625e16. Then multiply this by 40 to get 3.90625e18.
Hope it helps!
the amount of the purse is, $120.
tax rate =9%
first find the the total tax she paid on the amount is equal to the 9% of $120 i.e,
now,
total amount paid by shalika = $120 +$10.8 = $130.8
benito
: ) hava a nice day