Fermium-253 has a half-life of 0.334 seconds. a radioactive sample is considered to be completely decayed after 10 half-lives. how much time will elapse for this sample to be considered gone?

Tours of the art museum are offered every 1/3 hr starting at 10 am. The museum closes at 4 pm. How many tours are offered each day?

A fitness center charges $3 per visit plus a monthly fee of $30. How much would it cost in one month if Ella has 18 visits?

How do I draw a quadrilateral whose diagonals bisects each other at right angles with all sides equal in length and opposite sides are parellel?

If side b has a length of 12 inches and side c has a length of 15 inches, find angle B to the nearest degree. A. 0 degrees B. 37 degrees C. 39 degrees D. 53 degrees

The hu family goes out for lunch and the price of the meal is $45. the sales tax on the meal is 6%, and the family also leaves a 20% tip on the pretax amount. what is the total cost for the meal?

4z to the second power = 144

Lyle has 7/10 as many stamps as jeremy. If Jeremy has 140 stamps. How many more stamps does he have than lyle?

Simplify so that there are only positive exponents (3^9/3^-5)

The mean length of 7 books is 258 pages. the longest book has 294 pages. what is the mean length of the other 6 books

A pyramid has n sides what is the expression for the total number of sides