Question

Sam is comparing the half life of two isotopes of uranium the half-life of uranium minus -238 is 4.5 * 10 9 years the half life of uranium minus 233 is 1.6 * 10 5 years he computed how much greater the half life of uranium minus 238 is than that of uranium minus 233 and his calculator displayed the number 2.81E4 what is this number in scientific notation Oxford sunrise

Answer 1

The number 2.81E4 in scientific notation is 2.81 x 10^4.