In scientific notation. Choose the answer with the proper number of significant figures. (3x10^4) (4x10^23)

A. 12^27

B. 12 x 10^27

C. 10 x 10^27

D. 1 x 10^28

Factorise x squared - 12x + 36

Elaine is making a flower garden with rows of flowers. The garden is 20 yards long. She wants a total of 7 rows of flowers that are all the same width. Which calculation should Elaine use to decide how wide to make each row?

Josh bought 4.4 pounds of green beans for $1.65 per pound. How much did he pay for the green beans? Show work.

The city of Raleigh has 9000 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 500 randomly selected registered voters was conducted.

How many possible 3-letter abbreviations are there that start with the letter b?

Which shows three ordered pairs that are all solutions of the equation y = x + 8? A. (0, 8), (1, 7), and (2, 9) B. (1, 8), (2, 16), and (3, 24) C. (1, 9), (3, 11), and (5, 13) D. (8, 0), (9, 1), and (10, 2)

The distance between 4 and 11 is

A width of a rectangular painting is 3 in. More than twice the height. A frame that is 2.5 in. Wide goes around the painting. Write an expression for the combined area of the painting and frame

How many 1-inch cubes do you need to fill a cube that has an edge length of 1 foot?

The Hundred Years' War changed France dramatically. A great sense of national pride emerged among the French people, and they developed a strong loyalty to the King. The King gained the power to raise taxes.