The mass of a dust particle is approximately 7.5 * 10^-10 kilograms and the mass of an eletron is 9.1*10^-31 kilograms. Approximately how many electrons have the same mass as one dust particle.

A shelf can support 3 and 3/4 pounds. Part A: if a book weighs 3/8 of a pound, how many books can it hold? Part B: if you add more support so the shelf can now hold 5 and 1/4 pounds, how many books can the shelf hold now? Show your work.

What does obtained mean

Zach has a credit card with a $500 limit. He has used the card to pay $120.32 for groceries. How much more can Zach spend without going over his limit?

If log10 x=3, then x=

The diameter of a circle is 10 meters. What is the area of the circle? (Use 3.14 and round to the nearest tenth

The fenced area has 4 pigs. what is the minimum number of straight fences needed to divide the 4 pigs such that each pig has its own pen?

How to turn 4 1/5 into a percent

There are 7 tarantulas in the spider exhibit at the zoo. Each tarantulas has 8 legs. How many legs do 7 tarantulas have?

Does a sock has 1 line of symmetry

An attorney charges a fixed fee of $250 for an initial meeting at $150 per hour for All Hours worked after that. Write an equation in slope intercept form for the total fee of $2200.