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The Rb-87/Sr-87 Method of Dating Rocks Is Often Used by Geologists

question 91

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The Rb-87/Sr-87 method of dating rocks is often used by geologists: $The Rb-87/Sr-87 method of dating rocks is often used by geologists: Rb Sr + t1/2 = 6.0 \times 1010 yr Estimate the age of a rock sample in which the present-day mole ratio of Rb-87 to Sr-87 is 36:1. A) 2.4 \times 109 yr B) 1.7 \times 109 yr C) 3.1 \times 1011 yr D) 4.1 \times 10-11 yr E) 3.6 \times 1011 yr$ Rb $The Rb-87/Sr-87 method of dating rocks is often used by geologists: Rb Sr + t1/2 = 6.0 \times 1010 yr Estimate the age of a rock sample in which the present-day mole ratio of Rb-87 to Sr-87 is 36:1. A) 2.4 \times 109 yr B) 1.7 \times 109 yr C) 3.1 \times 1011 yr D) 4.1 \times 10-11 yr E) 3.6 \times 1011 yr$ $The Rb-87/Sr-87 method of dating rocks is often used by geologists: Rb Sr + t1/2 = 6.0 \times 1010 yr Estimate the age of a rock sample in which the present-day mole ratio of Rb-87 to Sr-87 is 36:1. A) 2.4 \times 109 yr B) 1.7 \times 109 yr C) 3.1 \times 1011 yr D) 4.1 \times 10-11 yr E) 3.6 \times 1011 yr$ Sr + $The Rb-87/Sr-87 method of dating rocks is often used by geologists: Rb Sr + t1/2 = 6.0 \times 1010 yr Estimate the age of a rock sample in which the present-day mole ratio of Rb-87 to Sr-87 is 36:1. A) 2.4 \times 109 yr B) 1.7 \times 109 yr C) 3.1 \times 1011 yr D) 4.1 \times 10-11 yr E) 3.6 \times 1011 yr$ t_1/2 = 6.0 $\times$ 10¹⁰yr Estimate the age of a rock sample in which the present-day mole ratio of Rb-87 to Sr-87 is 36:1.

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