d. \( \frac{6}{10} \times 1.9 \)

To solve \( \frac{6}{10} \times 1.9 \), you can first convert \( \frac{6}{10} \) to a decimal, which equals 0.6. Then, multiply 0.6 by 1.9, giving you 1.14. This result can be handy when working with fractions and decimals, making calculations simpler! When practicing multiplication involving fractions and decimals, avoid common mistakes such as forgetting to convert a fraction to its decimal form or misplacing the decimal point. To check your work, you can always reverse the operation by dividing your product by one of the original numbers. Happy multiplying!