How do you write 200 trillion in scientific notation?

What number completes the following sequence? 48, 24, 12, 6,7

A quadrilateral has angles that measure 72°,98°, and 65º. What is the measure of the fourth angle?

Solve the equation. Round the answer to the nearest tenth. 3.6x = 5.5

Elena runs for 28 seconds and finishes at 250 meters. what is her velocity?

A swimming pool holds 540,000 liters of water. The pool has two drain pipes. When the pool is completely full, the first pipe alone can empty it in 180 minutes, and the second pipe alone can empty it in 120 minutes.

399 round to the nearest and 10 and nearest hundredth

Find the greatest common factor of 8,10, 26

What integer would I use for "the last play at a football game had a lsd of 3 yards

What type of shape is a parallelogram with all sides the same length

Approximately 10% of all people are left-handed. Consider a grouping of fifteen people.