Question

Select the answer choice below that represents 3,897.5 in scientific notation.

A. 3.8975 x 103
B. 3.8975 x 10-3
C. 3.8975 x 10-1
D. 3.8975 x 101

Answer 1

The numbers behind the 10 are supposed to be exponents ^^^

Answer 2

Answer is A.
when u multiply 10^3 . a tip is to move the decimal 3 spaces to the right to get the answer. if it is 10^-3, decimal places move 3 space to the left.