A tree is 3,212 years old. How can you express this age in scientific notation with the lowest level of precision?
(1 point)
○ 3x103
3.2x103
3.21x103
3.212×103
1 answer
3.2x103
(1 point)
○ 3x103
3.2x103
3.21x103
3.212×103
1 answer