Mathematics, 03.02.2020 14:00 mettababeeeee
If the half-life of k-40 is 1.3 billion years and if a sample rock found on an island is estimated to be 1 billion years old, what percentage of the original parent k-40 would be present in the rock? round your numerical values to the hundredths decimal place.
answer choices
(a) 76.92%
(b) 1.3%
(c) 58.67%
(d) 99.99%
Answers: 1
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What is the value of the expression i 0 Γ i 1 Γ i 2 Γ i 3 Γ i 4? 1 β1 i βi
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In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)
Answers: 1
Mathematics, 21.06.2019 22:00
Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point
Answers: 1
Mathematics, 22.06.2019 02:00
Hassan bought a package of tofu. the temperature of the tofu was 14Β° celsius when hassan put the package into the freezer. he left the tofu in the freezer until it reached β19Β° celsius. which expressions explain how to find the change in temperature, in degrees celsius, of the package of tofu? select three that apply.
Answers: 1
If the half-life of k-40 is 1.3 billion years and if a sample rock found on an island is estimated t...
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