heypeoplelol heypeoplelol

04-06-2021
Mathematics

contestada

In two half-lives, how much of a 400-gram sample of a radioactive element will remain un-decayed?

Respuesta :

Аноним Аноним

04-06-2021

Answer:

100 grams

Step-by-step explanation:

1/2 * 1/2 = (1/2)² = 1/4

1/4 * 400 = 100

Answer Link

Otras preguntas

Which tools would a musician use to craft an argument? A. Facts and data B. Expert analysis C. Recording equipment D. Language and thought

i need help. " what is the selling price of a $405 TV with a 35% markup"

What do you mean by proform?

Which of the following is a structure that is present in both eukaryotic and prokaryotic cells? A. Vacuole B. Nucleus C. Golgi complex D. Plasma Membrane

convert 32 gallons per minute to 32 quarts per hour

What number should be added to the expression x2 + 12x to change it into a perfect square trinomial? (a.6 ( b.18 (c.12 (d.36

Circle 1 has center (−4, −7) and a radius of 12 cm. Circle 2 has center (3, 4) and a radius of 15 cm. What transformations can be applied to Circle 1 to prove t

Why is common sense important?

If 5.7 grams of gold has 3 cubic centimeters than whats the density of gold in g/cm3

what expression is equivalent to 5 (x+6)-2x+9.