456,000 in scientific notation

Jamie and Owen joined a monthly walking challenge at their youth center. Jamie has already walked 120 minutes and plans to walk 20 minutes per day. Owen plans to walk 30 minutes per day.

What number is equal to 12 thousand 4 tens 7 ones?

A tank had 6 liters of water. The tank had a small hole in its base through which water leaked out at a constant rate. The tank was empty after 4 minutes.

The sum of 5 consecutive integers is 110.

The local farmers market sells a 4 pound basket of apples for 5.60 each Apple weights about 4 oz what is the price per Apple?

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.