S22400589 S22400589

04-05-2020
Mathematics

contestada

If 40% of a radioactive substance remains after 20 years, what is the half-life of the substance?

Respuesta :

abrienbowman7 abrienbowman7

04-05-2020

Answer:

192 Hr

Step-by-step explanation:

Answer Link

cuentaprivada046 cuentaprivada046

04-05-2020

Answer:

it would be 176hrs of half life

Answer Link

Otras preguntas

The apparent backward movement of a planet is called A. heliocentric motion. B. retrograde motion. C. Kepler's first law of motion. D. eccentricity.

Mia climbs 5/8 of the height of the rock wall. Lee climbs 4/5 of Mia's distance. What fraction of the wall does climb? Show work

I dont get this.. Can anyone help on this... I appreciate it.

if someone spends 90% of there money and has 50p left how much did they start with

One way that mining for mineral resources damages land is by? A. adding greenhouse gases to the environment B. depleting the world's ozone C. causing salinizati

Mother Teresa was the _______ of love and caring. A. philanthropy B. epitome C. anatomy D. dichotomy

Another method of _____ is to partially cut a stem and keep it moist until roots form. layering cutting grafting

how did war in europe change spains plans for its north american colonies

How do you Write 0.0034 as a percent

The Preamble is the __________. A. introduction to the Constitution B. conclusion of the Constitution C. introduction to the Articles of Confederation D. conclu