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If 14 g of a radioactive substance are present initially and 7 years later only 7 g remain, how much of the substance will be present after 9 yr?
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What is the first step of an indirect proof of a number that is divisible by two
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Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2
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Use the balanced scale to find the number of grams in 17 kilograms.
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If 14 g of a radioactive substance are present initially and 7 years later only 7 g remain, how much...
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