Which of the following expressions is not correctly written in scientific notation?

A. 1 * 10^4

B. 9 * 10^2

C. 10 * 10^7

D. 5 * 10^3

Foir girls swam the 4 by 200 meter freestyle relay in a total of 540.4 seconds. If each girl swam her part of the race in the same amount of time, what waw the time of 1 girl.

A soft-drink machine is regulated so that it discharges an average of 200 mililiters per cup. If the amount of drink is normally distributed with a standard deviation equal to 15 mililiters, what fraction of the cups will contain more than 224

During his 2007 MVP season For the New York Yankees, Alex Rodriguez batted 0.314 meaning that his probability of getting a hit in any at bat was 0.

2.55 x 10^-4 In standard form.

1.5y+.5x = or less then 18

What is 4.2X-1.4Y=2.1-2X

Factor x2 - 8x + 15. Which pair of numbers has a product of ac and a sum of b?

Imagine a model shaded to show 0.001. How much would be shaed?

during second period, mia completed a grammar worksheet. of the 60 questions, mia got 80% right. how many questions did mia get right

If one store is selling three fourths of the Bushell of apples for nine dollars and another store is selling two thirds of a Bushell for apples up for nine dollars which store has the better deal