If 500g of a material goes through four half-lives, how much material will be left? Round to two decimal places. A. 125g
B. 62.5g
C. 250g
D. 31.25g

How do you solve a question like this?

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

Describe a situation that you could represent with the inequality x< 17