mk01233 mk01233

11-03-2018
Mathematics

contestada

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 4 half-lives?

Respuesta :

sqdancefan sqdancefan

15-03-2018

190*(1/2)^4 = 190/16 = 11.875 . . . grams

Answer Link

Otras preguntas

Forgiveness necessarily involves Multiple Choice regaining positive feelings toward the betrayer. giving up the right to retaliate. getting something tangible i

which evidence best supports the inference that the civil war occurred because lincoln was president

Abby, Bernardo, Carl, and Debra play a game in which each of them starts with four coins. The game consists of four rounds. In each round, four balls are placed

A restraint that provides protection without having to be handled by the occupant is called.

Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Match each value to the correct expression. 8 5 0 27 15 22

Analyze the effects of affective communication

Which graph shows the solution to the system of linear inequalities? x – 4y < 4 y < x + 1 On a coordinate plane, 2 straight lines are shown. The first sol

VERBAL 1. Explain how to find the input variable in a word problem that uses a linear function.

which of these ratios are equivalent ratio 1:4 2:8 3:6 7:28

Write 3.3.3.3.3.3.3.3. With exponential notation