To multiply the numbers in scientific notation, you can follow these steps:
- Multiply the coefficients (the numbers in front).
- Add the exponents (the powers of ten).
For the given numbers:
\[ (3 \times 10^9) \times (2 \times 10^{17}) \]
- First, multiply the coefficients:
\[ 3 \times 2 = 6 \]
- Then, add the exponents:
\[ 10^9 \times 10^{17} = 10^{(9 + 17)} = 10^{26} \]
Now, combine the results:
\[ 6 \times 10^{26} \]
Thus, the product in scientific notation is:
\[ \boxed{6 \times 10^{26}} \]