How can 4.13E7 be expressed in standard notations

The sum of the angle measures of any trapezoid is greater than the sum of the angle measures of any parallelogram is it true or false and explain how

A fence 6 feet tall runs parallel to a tall building at a distance of 5 feet from the building. what is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?

How many pounds are in 4,256 grams

Jen rolls a fair die six times each time she rolls a two. What is the probability that on her next roll she will roll a six?

Which expression will make the equation true -4.5+4.4+x=0

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.