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The image shows the mathematical expression:

\[
(1.2 \times 10^5) + (5.35 \times 10^6)
\]

Let's solve it step by step and express the answer in scientific notation.

### Step 1: Express both numbers with the same power of 10
To add these numbers easily, we should express both terms with the same power of 10. We can rewrite \(5.35 \times 10^6\) as:

\[
5.35 \times 10^6 = 53.5 \times 10^5
\]

### Step 2: Add the coefficients
Now we can add the two terms:

\[
(1.2 \times 10^5) + (53.5 \times 10^5) = (1.2 + 53.5) \times 10^5 = 54.7 \times 10^5
\]

### Step 3: Express the result in scientific notation
Finally, to express \(54.7 \times 10^5\) in proper scientific notation, we move the decimal one place to the left:

\[
5.47 \times 10^6
\]

So, the result is:

\[
5.47 \times 10^6
\]

Would you like more details on any step? 

Here are 5 related questions you might find useful:
1. How do you convert between different powers of 10 when adding numbers in scientific notation?
2. What is the rule for significant figures in scientific notation addition?
3. Can you explain how to subtract numbers in scientific notation?
4. How does scientific notation help in simplifying large or small numbers?
5. What are some common mistakes to avoid when adding numbers in scientific notation?

**Tip**: When working with scientific notation, always ensure that both numbers have the same exponent before performing addition or subtraction!

Learn how to solve the problem of adding numbers in scientific notation: (1.2 × 10^5) + (5.35 × 10^6). This problem covers key concepts such as scientific notation and aligning powers of 10 for addition. Suitable for students in Grades 9-10.

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