How do you write numbers in scientific notation?

Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')