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

1 * 104

9 * 102

10 * 107

5 * 103

Alex is ordering his girlfriend a bouquet of flowers for their anniversary. roses cost $5 each and carnations cost $2 each. He would like to include at least 3 flowers. To stay on budget he must not spend more than $36.

This table Shows the number of cars sold by some salespeople over 4weeks. Parker-4 Sophie-8 Emily-6 Bradly-9 Calculate the average number of cars per week.

A bag contains blue marbles and red marbles, 75 in total. The number of blue marbles is 5 more than 4 times the number of red marbles. How many blue marbles are there?

How to write a mixed number as an improper fraction

Oliver is determining the number of males in his math class. Oliver is collecting what kind of data? A) bivariate B) categorical C) qualitative D) univariate

The chess club has 18 students. How many different teams of 4 can be formed for competition?

B/30 = 5/6. What is b?

Line segment EF has a length of 5 units. It is translated 5 units to the right on a coordinate plane to obtain line segment E′F′. What is the length of E′F′? 5 units 6 units 10 units 25 units

Lorenzo signed a two-year contract with his wireless tablet computer company for a data plan that costs $15.99 per month. There is an early termination fee of $249. After Lorenzo was5 months into his contract, he cancelled his service.

What is the perimeter of triangle ABC