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

Answer 1

4.8×10^-3 - 9.4×10^-6 can be rewritten as (4.8 - 0.0094) × 10^-3.

Calculating (4.8 - 0.0094) gives 4.7.

Therefore, the answer in scientific notation, rounded to 2 decimal places, is 4.7 × 10^-3.