The half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain after 2000 years?

the answer to the question is a  

it has the same slope and the same y-intercept.

to find the unit price, we must figure out the cost of one item (in this case one dish towel).   to do this, we divide the total price ($7.92) by the number of items bought (for this problem it is 8, because there are eight dish towels in one pack).  

$7.92/8 = $0.99

therefore, the unit price, or the price of one dish towel, is $0.99.

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answer: a.   one is a factor of every whole number since every number is divisible by itself.

figure c

step-by-step explanation:

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