What is place value of the decimal 4.2,0.8,25.1

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex