Multiply (2.0 • 10^-4) • (3.1 • 10^-20). Express the answer in scientific notation.

A. 6.2 • 10^-80.

B. 6.2 • 10^-24

C. 6.2 • 10^24

D. 6.2 • 10^80

For each of her sales, a saleswoman receives a commission equal to 20 percent of the first $500 of the total amount of the sale, plus 30 percent of the total amount of the sale in excess of $500.

Four more than twice a number is - 10

Kavon grew 8 plants with 2 seed packets. How many seed packets does Kavon need to have a total of 12 in his backyard?

Factor completely: 16x2 - 81 A. (4x + 9) (4x - 9) B. 16x2 - 81 C. (4x + 9) (4x + 9) D. (4x2 + 9) (4x2 - 9)

Find the 17th term of the of the arithmetic sequence-5,0,5,10

Meg lives in Indianapolis and wants to visit her mom in Lima. She has been meaning to go to a chiropractor in Dayton, so she is wondering whether it makes sense to stop there on the way.

An advertisement states that a can of paint will cover 480 square feet. How many gallons of paint are needed to cover 1,680 square feet?

Mrs McDonald spent 24.65 at a yard sale on Saturday. on Sunday she went to another sales and spent 14.95 more than she did on Saturday. what is the total amount that Mrs McDonald spent on both yard sales

Linda purchase a prepaid phone card for $30. Long distance calls cost $.17 a minute using this card when do use her card. Linda use her card only to make a long distance call if the remaining credit on her card is $22.

Consider this equation: - 2x - 4 + 5x = 8 Generate a plan to solve for the variable. Describe the steps that will be used.