A 41 gram sample of a substance that's used to detect explosives has a k value of 0.1392.

Find the substances half life, in days. Round answer to nearest tenth.

Using the exponential decay formula

1. What events cause the formation of elements more massive than iron in the periodic table? 2. Do massive stars live longer than low-mass stars? Why or why not?

Describe two environments in which minerals form. List a mineral that is formed in each environment

Which two statements are true about a system? 1. A system is a group of objects analyzed as one unit. 2. Energy that moves across system boundaries is conserved. 3. There's only one way to define the boundaries of a system. 4.

There are two sons and two fathers. They receive 3 drinks yet every person has their own drink. How is this possible?

What is a possible benefit of having a good credit history

Examples: 1. Suppose list A contains 30 students in a mathematical class and list B contains the 35 students in an English class, and suppose there are 20 names on both lists. Find the number of students: (a). On list A or B (b). only on lista (c).

2.3=7.9+y how do I solve

The team is considering drilling down in the North Atlantic Ocean (1) and in Sierra Leone (2). Where will the team find hard, solid rock?

Explain the differences of Testosterone vs. Estrogen & Progesterone.

A rental hall has 60 tables. 55% of the tables have 10 chairs at each table. The remaining 45% of the tables have 8 chairs at each table.