Sam is comparing the half-life of two isotopes of uranium. The half-life of Uranium-238 is 4.5 × 10° years The half-life of Uranium-233 is 1.6 x 10 years. He computed how much greater the half-life of Uranium-238 is than that of Uranium-233, and his calculator displayed the number 2.814. What is this number in scientific notation? (1 point)
2.81 × 104
4 × 10281
2.81 + 104
2.81 × 10 4
1 answer
The number 2.814 in scientific notation is 2.81 × 10^0.
1 answer