1 Carbon-14 is an element that loses about 10% of its mass every millennium (i. e., 1000 years). A sample of Carbon-14 has 600 grams.
How much will the sample weigh after 8,000 years? (Round to the nearest gram)

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.