#### Answer

11.2

#### Work Step by Step

$x\times y^{2} \\\\ 2.8 \times 2^{2} \\\\ 2.8\times 4 \\\\ =11.2$
We follow the instructions to plug 2.8 in for x and 2 in for y. We then simplify, first raising 2 to the second power and then multiplying by 2.8 to follow order of operations, getting an answer of 11.2.