The expression you provided is:

\[
(6.18 \times 10^{-10}) - (4.29 \times 10^{-11})
\]

To simplify:

1. Express both terms with the same power of 10. We can rewrite \(4.29 \times 10^{-11}\) as \(0.429 \times 10^{-10}\).

So, the expression becomes:

\[
(6.18 \times 10^{-10}) - (0.429 \times 10^{-10})
\]

2. Now subtract the coefficients:

\[
6.18 - 0.429 = 5.751
\]

3. Multiply by \(10^{-10}\):

\[
5.751 \times 10^{-10}
\]

Thus, the result is:

\[
5.751 \times 10^{-10}
\]

Let me know if you'd like further details!

Here are some related questions:
1. What is scientific notation?
2. How do you add and subtract numbers in scientific notation?
3. Why do we need to express terms in scientific notation before operations?
4. How does scientific notation help with very large or small numbers?
5. Can you explain how to convert between powers of 10?

**Tip:** Always express terms with the same power of 10 before adding or subtracting to avoid errors.

This page explains how to subtract two numbers in scientific notation: (6.18x10^-10) - (4.29x10^-11). It provides a step-by-step solution, including converting terms to the same power of 10 and subtracting coefficients. Suitable for students in Grades 9-12.

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