phenius phenius

Today at 10:47 PM
Mathematics

Answered

suppose 2kg of a radioactive substance decays to 250g in 75years .what is the half-life of the substance ?

Answer :

zenaloren100 zenaloren100

Today at 10:52 PM

7 5
x 4
30 0
2
answer = 300 years

Answer Link

Other Questions

18 i Use the given information to find the amount A in the account earning compound interest after 6 years when the principal is $3500. r=1.83%, compounded dail

Mrs. Larson made 12 pillows from 16 yards of the same fabric how much fabric was used to make each pillow between what two whole numbers does your answer lie

What change should be made to sentence 20? In some recipes, a particular herb is a principle ingredient.

Which is the better buy? How do you know? A. 7 ounces of tomato sauce for $2.10 B. 28 ounces of tomato sauce for $5.60

Somebody help me with this give me the answer

Let's sleep on it,we?optionswillshallwon't bedon't we

Which is the value of this expression when a = − 2 a = -2 a

find common (HCF) of 15x3y4 +12x4y3

No scams or will report

FE: Implement 404 (error) page

please help mee (image included)

Which of the following is correct about air temperature? *The higher you go, the colder the air gets.* *The higher you go, the warmer the air gets.* *The higher

PLZ help me and anyone who can help me will get 15 points

Quadrilateral ABCD is rotated 90 degrees about the origin what are the coordinates of quadrilateral A'B'C'D' A. A' (-5,-5), B' (-5,-1) C' (-2,-1) D' ( (-1,-5) B

Tom practice piano 1 and 1 3rd hours on Monday and 5 6ths hour on Tuesday how much did he practice in all thoes two days

Write a mathematical equation that fits each word problem Answer if you know PLS DO NOT COPY OTHER PEOPLE'S ANSWERS thank you UwU

Solve1. 10 5/6 - 4/6

Which is the x coordinate of the point on the graph ?

The Spaniards a. were concerned about converting the Indians. b. used Indian labor to build and farm. c. were not interested in Indian history. d. all of the ab

How illustration in Davy Crockett Saves the world support the tone on the Tall Tale