√10 × √12,1

To simplify the expression \( \sqrt{10} \times \sqrt{12.1} \), you can use the property of square roots that states \( \sqrt{a} \times \sqrt{b} = \sqrt{a \times b} \). So, we have: \[ \sqrt{10} \times \sqrt{12.1} = \sqrt{10 \times 12.1} \] Now, calculate the product: \[ 10 \times 12.1 = 121 \] Thus, the expression simplifies to: \[ \sqrt{10} \times \sqrt{12.1} = \sqrt{121} = 11 \] Therefore, \( \sqrt{10} \times \sqrt{12.1} = 11 \).