10 dimes
The $2 are exchanged for 10 dimes and 4 quarters, which make 14 coins total.
Yeah the tickets is over-priced. Sure the question is not missing ?
The first number in this item can be also expressed as 2.3 x 10³. Now, dividing the numbers 2.3 and 0.4 will give us an answer of 5.75. There exists a rule which states that when two similar numbers are divided only having different exponents, their exponents should be subtracted. The final answer to this item is therefore,
5.75 x 10¹¹