What is 2.8 x 10^-4 in standard form?

A right angle is an angle whose measure is equal to? a. 45 b. 60 c. 90 d. 180

steve was out one day on the track running laps. each lap is 400 meters long and 4 laps = 1600 meters. steve knows he can run 2.5m/s. since he is training for a marathon, he is going to run today for 149 minutes.

Solve the following system of linear equation using any algebraic method. If possible, check your solution. 2x-5y=3 X-2y=7

Create a story problem for 2/3*2/4

Ding three consecutive even integers such that the sum of twice the smallest and three times the largest is 42

If the length of side a is 16 centimeters, the length of side b is 10 centimeters, and m = 42°, what is the measure of? Round your answer to two decimal places.

Solve for y. 18y - 6 = - 30

Multiply. (3x + 2) (3x - 2) A. x² + 12x - 4 B. 9x² - 12x - 4 c. 9x - 4 D. 9x² + 4

Mr and mrs turner ate 3/4 of a pizza. They want to split the remaining part equally between their two sons how much of the pizza will each son recive

A 16-mb flash drive was sold on sale for $18.50. If this sales price was 81% of the original price, what was the original price?