Evaluate the given expressions and choose the correct answer in scientific notation.

(28 * 10^6) : (4 * 10^3)

A. 7 * 10^3

B. 8 * 10^2

C. 7 * 10^2

2. A shirt originally cost $46.58, but it is on sale for $41.92. What is the percentage decrease of the price of the shirt? If necessary, round to the nearest percent. 11% 10% 90% 8%

What is a right angle in a full turn

A circular pan has a diameter of 8 inches. What is the exact area of the pan? A. 16π square inches B. 64π square inches C. 256π square inches D. 8π square inches

What is 2/9x6/11 (denominator)

16x^2-169y^2 Can you sole and show me steps for factoring a polynomial

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.