The radioactive isotope of potassium **K which is used in the diagnosis of brain tumors, has a half-life of 12.36 hours. If 137 milligrams of potassium are taken, how many milligrams will remain after 24.72 hours? A 36 mg B 35 mg 34.25 mg 35.66 mg

Q: Amount Amount Half-life Initial After After Isotope (in years) Quantity 1000 Years 10,000 Years 32.…

A: Recall the following. The exponential decay equation is At=A0e-rt. The half-life of the given…

Q: Use the table to the right answer the following question. Item Energy released by burning 1 kg of a…

A: 5357142.857  kilograms

Q: 9/16 of the people were well fed. 270 were well fed. How many total people? Round two decimal places

A: Topic - Linear algebra We are given, 9/16 of the people were well fed. 270 were well fed.

Q: The width w (in millimeters) of successive growth spirals of the sea shell Catapulus voluto, shown…

A: We need to find the width of third spiral.

Q: 7/5=10.5/b

A: The objective of the question is to solve for the unknown variable 'b' in the equation 7/5 = 10.5/b.

Q: The half-life of a radioactive kind of uranium is 2 years. If you start with 5,712 grams of it, how…

A: According to question given that The half life of a radioactive kind of uranium is = 2 years A0=5712…

Q: You find out that there were 50 new cases of T1DM reported between January 2014 and January of 2016.…

A:

Q: A sample of sheepskin parchment discovered by archaeologists had a C14-to-C12 ratio equal to 40% of…

A:

Q: Ten percent of a radio-active substance decays in 4 days, what is the half-life of the substance?…

A: 10% of radioactive substance decays in 4 days.

Q: A 0.420-g sample of decanoic acid (C10H2002) is burned in a bomb calorimeter and the temperature…

A: From the given values we calculate q (heat absorbed by water). They we find moles of nonanedioic…

Q: A population grows at a rate of 18% each week. After how many weeks will this population double?…

A: as per guidelines, we will solve the first question only. Let P(t) denotes the population after t…

Q: ecies of mouse commonly found in houses is normally distributed with a mear ndard deviation of 0.2…

A: Solution

Q: Thirty percent of a radio-active substance decays in 7 days, what is the half-life of the substance?…

A:

Q: The number of bacteria "N" present in a culture increases at a rate proportional to the number…

A: Topic:- function

Q: 00 00 Given AFGH~ ALMN, which must be true? Select all that apply. A. FG LM %3D LN 品= % B. FH~LN C.…

A: Properties of similar triangles 1→ ratio of corresponding sides is equal. 2→ corresponding angles…

Q: 2x /10x 17. Multiply and simplify if possible:

A: