How can i solve 5x10^3+4.3x10^4 with scientific notation

Daniel is ordering breakfast in a restaurant. He can have scrambled or hard boiled eggs. On the side, he can choose to have hashbrowns, a muffin, toast, or fruit. How many different combinations can Daniel order for breakfast? A: 4 B: 8 C: 12 D: 24

How to graph system of equation y=-2x+1 y=x-5 what does the solution mean to this problem?

What is the fraction equivalent to 0.2323 ... ? 23/99 23/999 2/9

Raj ordered 3 large pizzas for a party. At the end of the party, some of each pizza was left, as shown below. If all the pieces are put together, what fraction of one whole pizza is left? A. 1/2 B. 3/4 C. 5/8 D.

Two angles are complementary. The first angle is 2X degrees. The second angle is X + 30° determine the larger angle

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.