What does the number 3.1968e+22 mean?

the mean height of the team is 200.3. a new player joins and raises the mean average height to 201cm. work out the height of the new player.

8/20 as a percentage

Which is greater 2/4 or 3/4

The manager of an 110 -unit apartment complex knows from experience that at a rent of $300, all the units will be full. On the average, one additional unit will remain vacant for each $20 increase in rent over $300.

X-y=-1 2x-y=0 By elimination method

What does - 2 (x+3) = 4x-3=?

Solve for t. 3t - 12 < - 3 and - 6t <12

17. Given: f (x) = 3x - 5, find f (-1) 18. Given: g (x) = - 5x + 2, find g (4)

Express 90 as the product of its prime number in order

A triangle has one angle that measures 15 degrees, one angle that measures 44 degrees, and one angle that measures 121 degrees. what kind of triangle is it