Perform the addition and express the answer in scientific notation. Choose the correct answer:

(5×10−3)+(4.7×10−5)

1 answer

To perform the addition, first, convert both numbers to the same power of 10. In this case, we can convert 4.7×10−5 to scientific notation, which becomes 0.047×10−3.

Now, add the numbers: (5×10−3) + (0.047×10−3) = 5.047×10−3.

The answer in scientific notation is 5.047×10−3.