A coral reef grows 0.19m every week. How much does it grow in 14 weeks.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.