use the index law for division which says you subtract the powers. So, this equals 10 to the power of –3. 0.75 times 10 to the power of –3 is not in standard form, as 0.75 is not between 1 and 10.

Divide the values of A. Divide the powers of ten by subtracting the indices. Write the answer in standard form. It may be useful to review the laws of indices and how to write a number in standard ...