Question

Which student correctly used guess and check to determine the unknown number?

Answer 1

Answer:

Nina's work 13x8=104

Step-by-step explanation:

Answer 2

Explanation:

Hello! Remember you need to write complete questions in order to get good and exact answers. Here we know nothing about the students so I can only help you providing the correct steps to find the product of a number and eight is 104:

Let that number be $n$, then the statement can be written in a mathematical language as follows:

$n\times 8=104 \\ \\ \\ \text{Dividing both sides by 8:} \\ \\ \frac{n\times 8}{8}=\frac{104}{8} \\ \\ \boxed{n=13}$

Finally, the unknown number is 13