How do you round 5,382,619 to the nearest 100

Lzzy had 12 guitar strings on monday. by friday, she had 3 what is the percent of change?

The sides of a triangle are in the ratio of 3:5:9. The perimeter is 68 inches. how long is each side?

If a person walks 1/2 mile in 1/4 hour, how far does that person walk 1 3/4 hours at that rate?

Monthly salary is 1848 plus a sales commission of 5.2% of the total sales for the month. what is the equation

What is the value of 6 in 5,165,874

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.