Sam is comparing the half-life of two isotopes of uraniumThe half-life of Uranium238 is 4.5 * 10 ^ 9 yearsThe half-life of Uranium-233 is 1.6 * 10 ^ 5 years. He computed how much greater the half-life of Uranium-238 is than that of Uranium- 233, and his calculator displayed the number 2.81E4What is this number in scientific notation? (1 point)
1 answer
The number 2.81E4 is already in scientific notation. In expanded form, it would be 28,100.