What is 110.4 x 10.4 rounding to the nearest whole number

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?