What is this number in standard form?

(7*100) + (4*1100) + (8*11,000)

The first four terms of a geometric sequence are 7, 14, 28 and 56. a. write a recursive formula for the sequence. b write and explicit formula for the sequence. c. find the 20th term of the sequence.

5. A company sold 30 mowers for $8379.70. Small mowers are $249.99 each and large mowers are $329.99 each. Find the number of each that was sold.

On Friday, 1 9 of band practice was spent trying on uniforms. The band spent 1 6 of practice on marching. The remaining practice time was spent playing music.

A baseball is hit with a bat and, as a result, its direction is completely reversed and its speed is doubled. If the actual contact with the bat lasts 0.

A group of friends bought 7 tickets to a dog show for $30 each how much did they spend on the tickets

Solve for x. s=3w+2x

Andre wants to save $40 to buy a gift for his dad. Andre's neighbor will pay him weekly to mow the lawn, but Andre always gives a $2 donation to the food bank in weeks when he earns money.

The sum of consecutive integers 1,2,3, ..., n is given by the formula 1/2n (n+1). How many consecutive integers, starting with 1, must be added to get the sum of 1081

Two lines that intersect to form right angles are called what? A. Skew lines B. Line segments C. Perpendicular lines D. Parallel lines

In the United States, the number y (in millions) of bicycles sold with wheel sizes of 20 in. or greater can be modeled by the equation y = 0.3x + 15, where x is the number of years since 1981. In what year were about 22 million bicycles sold?