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?

If your weight is 150 pounds and your mass is 15.3 kilograms, what would those values be if you were on the moon? The gravitational force on the moon is 1/6 the gravitational force on Earth.

What's 4 (-x + 1) = - 2 (x + 2) ?

What is the answer to the problem 4x+7+3x^2

2. Mr. Wheeler was ordering a part from Sears that he needed for his lawnmower. The price of the part was $49.95. The tax was 7.25%. What was the cost of the new part? (show all your work)

A bakery sold 31 bagels in the first hour of business and 42 bagels in the second hour. If the bakery had 246 bagels to start with, how many bagels were left after the second hour

You and your friends ate more than 8 slices of pizza at the party. Which inequality represents this situation

What equation is equal to (2x/3-7) + 7

Austin buy 4 boxes of nails for his project. there are 30 nails in each box. how many nails does Austin Buy in all

What's is x? 7.5/12=4.2/X

Susan and Jenny have ages that are consecutive odd integers. The product of their ages is 575. Which equation could be used to find Jenny's age, j, if she is younger than Susan? A) j2 + 2 = 575 B) j2 - 2 = 575 C) j2 + 2j = 575 D) j2 - 2j = 575