https://file.aiquickdraw.com/mathbot/file/1726180734035ikjr4ha7.jpg

The expression in the image is:

\[
3.5 \times 10^{-5} + 1.3 \times 10^{-5}
\]

Since both terms have the same power of \(10^{-5}\), you can simply add the coefficients:

\[
3.5 + 1.3 = 4.8
\]

Thus, the result is:

\[
4.8 \times 10^{-5}
\]

This is the answer in scientific notation.

Would you like more details on this process or have any questions?

Here are 5 related questions for practice:
1. What is the result of \( 2.1 \times 10^{-6} + 3.9 \times 10^{-6} \)?
2. How do you subtract \( 5.4 \times 10^{-4} - 2.3 \times 10^{-4} \)?
3. What is the sum of \( 6.7 \times 10^{-3} + 1.2 \times 10^{-3} \)?
4. How do you multiply numbers in scientific notation like \( (2.3 \times 10^2) \times (3.5 \times 10^3) \)?
5. What happens when you add numbers with different exponents, like \( 4.1 \times 10^{-3} + 2.2 \times 10^{-4} \)?

**Tip:** When adding or subtracting numbers in scientific notation, make sure the exponents are the same before performing the operation!

Evaluate. Express your answer in scientific notation. 3.5 × 10^-5 + 1.3 × 10^-5

Learn how to add numbers in scientific notation with the example 3.5 × 10^-5 + 1.3 × 10^-5. This guide explains the rules for adding numbers in scientific notation and provides a step-by-step solution. Suitable for students in Grades 6-8.

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