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How much do slurpees at 7-1 cost?
about half a dollar
How much does it cost for a 1 and a half year old to go on the bus?
nothing
What is the cost of 100 grams if half a kg cost 40?
8 is the answer . Since half a kg is 500g, 100 g would cost 1/5 as much. 1/5 of 40 is 8.
If steak costs 2.50 for 1 pound how much does 0.5 pounds of steak cost?
Half as much which is 1.25
How much is three times a half life?
Three times a half-life is equivalent to one and a half full life cycles of a substance. In terms of decay, after three half-lives, only one-eighth of the original amount remains. This is because each half-life reduces the amount by half, so after three halvings (1/2, 1/4, 1/8), the remaining quantity is 1/8 of the initial amount.
How much original matter remains after 9 hours if the matter has a half-life of 3 hours?
A half-life means half the original matter decays and is gone after that period. Something with a 3 hour half-live will have only 1/2 its amount left after 3 hours. After 6 hours, only 1/4th is left, and after 9 hours, only 1/8th is left. After one half-life, half is gone. Half is left. After another half-life, half of the remaining half is gone, leaving one quarter left. After the third half-life, half of the quarter is gone and half of that quarter remains, which is an eighth of the original.
What percentage of a radioactive element will be left after 1 half-life?
Half life is pretty much self explanatory in that after they go through 1 half life half of the radioactive decay remains. 1/2 x 1/2 x 1/2 = 1/8 = 0.125 = 12.5% or you can divide 100% by 2, 3 times and you'll get 12.5%
What approximate amount of the element remains after 3 half-lives have elapsed?
1/8 amount of the element will reamain. After 1 half-life there is 1/2 left After the 2nd half-life there is 1/2 of 1/2 left which is 1/4 After the 3rd half-life there is 1/2 of 1/4 left which is 1/8
If the price of a bowling ticket is half the normal price of 2.75 How much will 4 tickets cost on Tuesday night?
$5.50................................................!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
A particular element has a half-life of 27 days After 54 days have elapsed how much of the radioactive material is left?
1/4. After 27 days, half of the material will have decayed. After another 27 days half of the remaining material will have decayed. Half of half is 1/4.
A radioactive substance has has life of 5 days initial mass of 12kg how much the original isotope will remain after 10 days?
After 10 days, 1/2 of the original isotope will remain since its half-life is 5 days. This means 6kg of the original isotope will remain after 1 half-life, which remains the same after 10 days since another half-life has passed.
If you pay 1.20 for two pounds of candy how much would you pay for half a pound?
If you pay $1.20 for two pounds of candy, how much would you pay for half a pound?
