With a half life of 28.8 years, how long will it take 1g of strontium-90 to decay to 250 mg

An important skill for the beginning home inspector is a. familiarity with reading electric meters. b. good telephone interviewing technique. c. experience in issuing building permits. d. ability to interpret building codes.

Type the correct answer in each box. use = 3.14 and if necessary, round your answers to the nearest hundredth. the area of the largest cross section of a sphere and the circumference of the sphere are in the ratio 4: 1. cm. the area of the largest cross section is about the radius of the sphere is cm. the circumference of the sphere is about cm2. the volume of the sphere is about cm?

Which of the following is not true about hydroelectricity a. use of gravitational force of flowing water b. its the most widely used renewable energy c. it has a high output of co2 that fossil fuels d. it has no direct waste asap