The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 190 grams of a radioactive isotope, how much will be left after 3 half-lives?

Find (7.6*10^3) * (5.9 * 10^12)

What is. 8 as a fraction and decimal?

A white tailed deer can sprint 30 miles per hr. A bison can run up to 3250 ft per min. Which animal is faster and by how many miles per hour?

What is 3/4 plus 3/4

Find the indicated values where g (t) = t^2-t and f (x) = 1+x g (f (0)) + f (g (0))

A cook had 15 eggs to scramble and equally serve 4 people. Which location on a number line correctly indicates the number of eggs each person would receive? A. between 2 and 3 B. exactly 3 C. between 3 and 4 D. between 4 and 5

Is 11.3 meters the same as 113 cm

Area of triangle with apothem of 5

The ratios of boys to girls in a tennis camp is 3:5. If there are 64 campers, how many are girls? A) 24 B) 32 C) 36 D) 40

Rates unite rates and ratios 50 candles in 4 boxes