Find 0.078-(5.2x10^-3). Express your answer in scientific notation. Do not round your answer.

Answer 1

0.078 - 5.2x10^-3 can be rewritten as 0.078 - 0.0052

When subtracting decimal numbers, we align the decimal points and subtract each place value:

0.078
- 0.0052
---------
0.0728

Since the result is 0.0728, we can express this number in scientific notation as 7.28x10^-2.