Mathematics, 30.09.2021 20:00 7obadiah

The half-life of francium is 21 minutes. Starting with 4 X 1018 atoms of francium, how many atoms would disintegrate in 1 hour and 45 minutes? What fraction of the original sample remains?
The half life of a radioactha alemantic 20

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 20:30

Acircle has a circumference of 7.850 units. what is its radius?

Answers: 2

Answer

Mathematics, 21.06.2019 22:30

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8

Answers: 2

Answer

Mathematics, 21.06.2019 22:30

If a line is defined by the equation y = 5x + 2, what is the slope?

Answers: 2

Answer

Mathematics, 21.06.2019 22:30

Which set of lengths could represent the sides of a triangle? a. 3, 7, 10 b. 4, 5, 10 c. 6, 8, 14 d. 12, 6, 7

Answers: 1

Answer

You know the right answer?

The half-life of francium is 21 minutes. Starting with 4 X 1018 atoms of francium, how many atoms wo...

Questions

History, 25.08.2019 12:50

What conflicts arose between romans and jews?...

English, 25.08.2019 12:50

Which sentence uses all its subject pronouns correctly? a. her and me decorated the house for the party. b. him, sean, and m...

History, 25.08.2019 12:50

Select all that apply. where did the british establish colonies in asia? a. burma b. vietnam c. cambodia d. india...

Chemistry, 25.08.2019 12:50

How are the relationships of elements in a group different from the relationships of elements in a group...

English, 25.08.2019 12:50

Which of the following is a common mistake that people make when writing summaries? a-including the most important supporting details b-c...

Business, 25.08.2019 12:50

If the price of a pencil is $1.00 and the price of a pen is $2.00, what is the relative price? if the pencil is $1.50 and the pen is $3.00? if the p...

English, 25.08.2019 12:50

After analyzing the context, what is the next step the reader should take to determine the meaning of an unknown word?...

Spanish, 25.08.2019 12:50

Which is the correct form of the present progressive of the verb? estás repetiendo estás repitiendo estás repitando están rep...

Mathematics, 25.08.2019 12:50

The point (-1.5,2) is reflected across the y-axis. what are the coordinates of the point after the reflection...

Health, 25.08.2019 12:50

All of the following statements concerning drugs and supplements are true except: a. many drugs and supplements are ineffective and expensive

Mathematics, 25.08.2019 12:50

Which set of rational numbers is arranged from least to greatest? −0.5, negative 1 over 5, 1 over 9, 1 1, 1 over 9, −0.5, negative 1 over...

English, 25.08.2019 12:50

In wonder what is the war at school...

Biology, 25.08.2019 12:50

What is the meaning of life, based on the hitchhikers guide> > > > >...

Biology, 25.08.2019 12:50

How do farmers contribute to water pollution? a. by dumping garbage into the water b. by fertilizing their crops with nitrogen compounds

Mathematics, 25.08.2019 12:50

Ihave 3 questions needed! ! you can get 25 points! me! ! 1) chole spent 15% of her allowance this month on bread. if she spent $45 on the b...

History, 25.08.2019 12:50

Conquistadors wanted to obtain glory and riches for...

History, 25.08.2019 12:50

What was most likely the reason that the confederate army burned richmond? a. to rebel against president davis b. to stop the union from...

English, 25.08.2019 12:50

Identify the part of speech for the underlined word in the sentence: after the tiring game, i quickly went to get ice cream and celebrate our h...

Mathematics, 25.08.2019 12:50

Solve –2x2 – 16x – 44 = 0 answer using quadtratic equation...

History, 25.08.2019 12:50

What factor most influenced economic growth in the united states between 1870 and 1920...

More questions: Mathematics Another questions

The half-life of francium is 21 minutes. Starting with 4 X 1018 atoms of francium, how many atoms would disintegrate in 1 hour and 45 minutes? What fraction of the original sample remains? The half life of a radioactha alemantic 20

Answers

Another question on Mathematics

The half-life of francium is 21 minutes. Starting with 4 X 1018 atoms of francium, how many atoms would disintegrate in 1 hour and 45 minutes? What fraction of the original sample remains?
The half life of a radioactha alemantic 20