Question

Add the following numbers in scientific notation:
3 x 105 + 2.5 x 105


5.5 x 105

2.8 x 105

3.25 x 105

5.5 x 1010

Answer 1

Answer:

Scientific Notation: Addition And Subtraction

To add or subtract two numbers in scientific notation: Step 1: Adjust the powers of 10 in the 2 numbers so that they have the same index.

Step 2: Add or subtract the numbers.

Step 3: Give the answer in scientific notation

Step-by-step explanation:

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Answer 2

Answer:

option a is correct

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