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

Why did Henry Clay group his resolutions in pairs in the Compromise of 1850?

on sara's computer, 3/8 of the hard drive is files. Of the files, 1/6 are games . What part of the hard drive is games?

two methods of active transport

What's breed of given cat???Check attachment

what are three ways water erodes the surface of earth

What's breed of given cat???Check attachment

What's breed of given cat???Check attachment

2 ( 4a - 12 ) + 3a = 6a + 1

2 ( 4a - 12 ) + 3a = 6a + 1

Your model locomotive is 18 inches long. It is an exact model of a locomotive that is 72 feet long. A window on the locomotive is how many times wider than a wi