Calculate (7.013 x 10−8) + (2 x 10−8).

 9.013 x 10−16 9.013 x 10−8 7.015 x 10−16 9.013 x 20−8

Let's calculate the sum of \((7.013 \times 10^{-8}) + (2 \times 10^{-8})\):

\[
(7.013 \times 10^{-8}) + (2 \times 10^{-8}) = (7.013 + 2) \times 10^{-8} = 9.013 \times 10^{-8}
\]

So, the correct answer is:

\[
\boxed{9.013 \times 10^{-8}}
\]

Do you want more details or have any questions? 

Here are 5 related questions:

1. How do you add numbers in scientific notation?
2. What is the result of \(5.45 \times 10^{-6} + 1.23 \times 10^{-7}\)?
3. How can you multiply two numbers in scientific notation?
4. What is the significance of the exponent in scientific notation?
5. How do you subtract numbers in scientific notation?

**Tip:** When adding or subtracting numbers in scientific notation, ensure that the exponents are the same before performing the operation.

Learn how to calculate the sum of numbers in scientific notation: (7.013 × 10^-8) + (2 × 10^-8). Follow a detailed step-by-step solution with explanations on adding numbers in scientific notation. Suitable for high school students studying scientific notation and arithmetic operations.

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