Question

Which number is not in scientific notation? Question 15 options: 1) 0.2 ⋅ 103 2) 3 ⋅ 1028 3) 1.03 ⋅ 10−2 4) 1.5 ⋅ 10−6

Answer 1

The answer is not 2. its 4

Answer 2

I believe it’s number 2.