( 0, p+i 000 c c) ) is correct.
Single Choice +47-1 An Analysis of the rock shows that the relative num- ber of Sr78 and Rb 87 (t1/2 = 4.7x100 year) atoms is 0.05. What is the age of the rock? Assume all the Sr's have been formed from Rb only. (log1.051 = 0.021, log 0.85| = 0.07.|log 0.051 = 1.30) A 7.62x10ʻyear B 1.43 x 10 year C 3.28 x10'year D 432x108year