Question

Express this number in scientific notation.

Answer 1

3.643 x 10^-1. The exponent is -1 because you moved to the right once instead of the left.

Left = positive. right = negative

Answer 2

The answer is 3.643•10^-1.

Explanation:

Move the decimal until it is between the first and second number

You move it one time and this is a decimal so the exponent will be -1.