What is difference (9x10^10) - (4x10^10) in scientific notation

A pile of dirt is cone-shaped and it has a height of 10 feet and a diameter of 24 feet. Find the volume.

Hosting a dinner party for 38 people, you plan to serve peach pie for dessert. Each pie has 8 slices. How many pies must you buy to ensure each guest gets 1 slice? A) 8p<38 B) 38>8p C) 8p>38 D) 38p> 8 E) 8p=38

A 7-pack of beaded necklaces costs $9.59. What is the unit price?

Suppose x and y vary together such that x is 9 times as large as y. What is the formula that defines x in terms of y? What is the formula that defines y in terms of x?

Solve for x. (8 2/5 + 7 2/3) + 4 / 13 = x + 13

Five less than the product of - 3 and a number is - 2 Needs to be an equation

Create an equation and solve. The cost of a concert ticket for a student is $2 less than one half of the cost for an adult. The cost of the student ticket is $5. Let 'a' represent the cost of an adult ticket.

Vector A and Vector B have the same direction, and they both have a magnitude of 6. What must be true about Vector A and Vector B? a. They are equal and parallel. b. They are opposites, but not parallel. c. They are opposites and parallel. d.

W is greater than - 8 and less than 8 using inequalities

Solve the linear inequality 4.2y+2.1>-2.52