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

What does Patrick Henry say the colonists' choices are at the start of his speech? A. Revolution or world war B. Rhetoric or weapons C. Compromise or fleeing D.

What effect can fertilizer runoff have on an aquatic ecosystem? a. increased plant growth leading to a decrease in fish populations b. increased plant growth le

Robert Scott set out the North Pole or the South Pole on Christmas Day, 1911?

Which group of people broke free of Egyptian rule, establishing the city of Meroe farther south along the Nile River? Arabs Hutu Kush Bantu

1) Shane works at a computer store. If he earns $20.93 from a 7% commission on the sale of a printer, what is the price of the printer? 2) Kayla earns a weekly

14. In modern India, the "Garden City" of _________ is known as India's "Silicon Valley." A. Kolkata B. New Delhi C. Bengaluru D. Mumbai

Which played the most significant role in the development of agriculture by Neolithic people? A bronze tools B Long Distance Trade C The domestication of animal

How to turn mixed numbers into decimals? For example 1/20

Help on logarithmic equation

The DNA sequence TTG is changed to TCG and produces a new protein. Which type of mutation is this? a) missense b) nonsense c) silent d) frameshift