What is the product of 4.5 ⋅ 105 and 1.6 ⋅ 102?

A baker makes cakes and sells them at county fairs. His initial cost for the fair was $45 to reserve a booth and $25 traveling expenses. He figures that it costs $1.75 to make each cake and he charges $6.50 per cake.

Martina feeds her dog 2/3 pounds of dog food for each meal. Martina has just bought 18 pounds of dog food. For how many meals will the food last

Simplify 3 3/4 - 1/5

The radius of a sphere is 1 inch. Which expression represents the volume of the sphere?

A circle has the diameter of 9 5/8 in what is the radius of the circle?

The list of ordered pairs below represents a relation. { (-6,10), (-5,4), (-1,-9), (9,-4) } Find the range of the relation.

How to do number lines

John has 7 apples and then he gives 3 to his friend. How many apples does he have? Mutlipy by 2

Evaluate the expression. 4 5 + 3 5 - 2 5 : 1 3 Write your answer as a fraction or as a whole or mixed number.

Negative two minus seventeen plus twelve minus negative four