Complete the steps to find the sum. (2.7 × 10–9) + (8.5 × 10–9)

1. Rearrange the expression: (2.7 + 8.5) × 10–9

2. Add the coefficients: (11.2) × 10–9

3. Write in scientific notation: 1.12 × 10k

What is the value of k in the solution?

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