Calculate 4.8 x 10^-3- 9.4 × 10^-6, Express the answer in scientific notation rounding to 2 decimal places.

Answer 1

4.8 x 10^-3 - 9.4 x 10^-6 can be simplified to (4.8 - 9.4) x 10^-3.

First, subtract 9.4 from 4.8: 4.8 - 9.4 = -4.6.

Then, we have -4.6 x 10^-3.

Finally, express the answer in scientific notation with 2 decimal places: -4.6 x 10^-3.

Therefore, the answer is -4.6 x 10^-3.