Question

Convert 0.00049 to scientific notation.

4.9 ⋅ 103
4.9 ⋅ 104
4.9 ⋅ 10−3
4.9 ⋅ 10−4

Answer 1

D. 4.9 ⋅ 10−4.

Explanation:

hope this helps!

Answer 2

It's 10 - 4

moving decimal over to the right makes a negative exponent.