The diameter of a blood cell is measured in micrometers. A micrometer is 0.0000001 meter. Which expression represents this number in scientific notation?

Dan and chuck go out to lunch. When they finished eating they paid the bill plus 7.5% tax. The total cost for their meals plus tax was $55.90. What was the cost of their meals before tax?

Aisha hiked each day for a week. the first day she hiked 1/6 mile, the second day she hiked 1/2 mile, and the third day she hiked 5/6 mile. by how much did she increase the distance she hiked each day?

A bag contains 10 identically sized-colored marbles One red, 2 are blue, 3 are white, and 4 are greenAmarble is selected at random and returned to the bagthen a second marble is selected at random What is the probability that the first marble

Which situation could best be represented by this linear equation? 24x + 38y = 520 (A.) If x represents the number of bracelets and y represents the number of rings, there were 24 more bracelets sold than rings. The total sales were $520. (B.

At a baseball game a vender sold a combined total of 188 sodas and hotdogs. The number of hot dogs sold was 30 less that the number of sodas sold. Find the number of sodas sold and the number of hotdogs sold.

Jace walked a total of 5/6 of a mile to school this week how far did he walk for 5 days

Write 57.6% as a fraction in simplest form. A. 576/100 B. 72/125 C. 72/250 D. 6/57

What is the value of 8 in 7,821,442

Suppose that 12 inches of wire costs 60 cents. At the same rate, how much (in cents) will 27 inches of wire cost?

A data set has a maximum of 84, a minimum of 34, a median of 52.5, an upper quartile of 64, and a lower quartile of 44. Which statement is true of the box plot of this data set? The box will go from 44 to 64. A line dividing the box will be at 54.