Mikayla evaluated the expression 0.86 times 23.4 using the steps shown below. 0.86 times 23.4 = 344. 344 + 2580 + 17200 = 201.24

Which best explains Mikayla’s error?
Mikayla added the whole numbers incorrectly.
Mikayla multiplied the whole numbers incorrectly.
Mikayla moved the decimal incorrectly.
Mikayla’s answer should have been a whole number.

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.