8 * 10^-3 in standard form

A cell phone company orders 500 new phones from a manufacturer. If the probability of a phone being defective is 2.6%, predict how many of the phones are likely to be defective. Round to the nearest whole number.

Bill has $20. He goes to the deli and spends $5 on a sandwich, $2 on a drink, and $1 on a bag of chips. How much money does bill have left?

On this road map, which street is parallel to Waterloo Street?

Solve the following system of equations: y = 4x - 6 5x - 4y = - 9

A rock band has made souvenir T-shirts to sell at their concert and hopes to bring in at least $140 from the sale of the shirts. They make $4 for each adult T-shirt and $2 for every child T-shirt. I have to write a linear equation

What is the answer to this equation: 4x - 2y = 6

4. A store is displaying boxes of a new video game in 7 rows. If the store has 49 copies of the game, how many games are in each row? 49 Games Games in one row

a bathtub is filled with 110 gallons of water. The tub drains at a rate of 5 gallons every 2 minutes. How long will it take before the bath tub is empty. Write an equation.

The sum of 7 consecutive odd numbers is 91. What is the sum of the two largest numbers in this set?

A wire, 224 cm long, is cut into three pieces. The first is twice as long as the second. The third is 1/2 as long as the second. How long is the second piece?