How do write 31,540,000,000 in scientific notation?

John bought a car for $65,000. If the value of the car depreciates by 8% each year, how much will the car be worth at the end of 2 years?

Ben had 10 football jerseys. After his birthday, he increased his collection by 4 jerseys. Caleb, bens best friend had 6 jersey before his birthday. If Caleb only recurved 2 jerseys for his birthday, will his percent increase be the same as bens

Question 9: A printing company's costs for printing a book are $300 for labor and running the necessary machinery plus $2.80 per book printed. The total cost for printing a book must be less than $1,100. Let n represent the number of books printed.

Andre can run 5 miles in 40 minutes. At that rate of speed, how long would it take him to run 10 kilometers? Use the conversion factor 1 mile ≈ 1.61 kilometers. A. 8 minutes B. 50 minutes C. 64 minutes D. 80 minutes

Andy has $1,500 and he invested in stock. On one day, his money was doubled. The next day he got a profit of $165 and later loss of $238. Write an expression for this and determine his present amount.

Tim Invested $5,000 in a savings account for 6 years. He earned $550 over that fine period. What is the interest rate?

If N is the set of natural numbers that are factors of 16, choose the selection below that correctly shows this set in roster form. (There are no multiple choice answers)

12. Brad sells ice cream and soft drinks at outdoor festivals. He buys soft drinks for 50 cents per can and ice cream bars for $75 per hundred. He marks up all items by 100 percent selling the drinks for $1.00 and ice cream bars for $1.50.

Factor 6x^3 33x^2-63x completely

The sum of three consecutive integers is 528. Find the largest of these integers