Question

What is .000747 in scientific notation

Answer 1

The awnser is 7.47 you move the decimal over 4 spaces

Answer 2

The exponent of 10 will be negative
Count the number od digits after the decimal point unitil you get to the first one that is > 0.  Here it is 4  so exponents is -4.

Answer is 7.47 * 10^-4