Ageologist collected a sample of quartz weighing 3.554 kilograms. how does the value represented by the 5 in the tenths place compare with the value represented by the 5 in the hundredths place?

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.