subject
Mathematics, 08.12.2020 01:10 rakanmadi87

A rock outcrop was found to have 89.00% of its parent U-238 isotope remaining. Approximate the age of the outcrop. The half-life of U-238 is 4.5 billion years old. a. 12 million years
b. 757 million years
c. 37 million years
d. 1.2 billion years

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.
Answers: 2
question
Mathematics, 21.06.2019 20:00
Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line
Answers: 1
question
Mathematics, 22.06.2019 01:30
Write the equation of the circle centered at (10,-2) with radius 2
Answers: 2
question
Mathematics, 22.06.2019 02:00
Mr. thompson took five of his children to the bowling alley the cost for children 12 and older is 350 the cost of four children under 12 inch to 25 he spent a total of 1625 how many of his children are 12 and order
Answers: 1
You know the right answer?
A rock outcrop was found to have 89.00% of its parent U-238 isotope remaining. Approximate the age o...
Questions
Questions on the website: 13722367