Americium-243 Has a Decay Constant of 9

question 80

Multiple Choice

Americium-243 has a decay constant of 9.39 × 10^-5 years^-1. How long will it take for a sample of americium to lose one-third of its nuclei?

• A) 2960 s
• B) 10.6 × 10³ years
• C) 4.32 × 10³ years
• D) 6.44 × 10³ years
• E) 7.84 × 10³ years

Differentiate between elastic, unit-elastic, and inelastic demand.

Analyze factors that influence the elasticity of demand for goods and services.

Calculate and interpret the cross elasticity of demand.

Calculate and interpret the income elasticity of demand.