Question

manuel uses this model to multiply two numbers. which expression does his model represent? 7×6 13×14 20×7 103×104

Explanation:

Step1: Identify side sums

Top side: $10 + 3 = 13$
Left side: $10 + 4 = 14$

Step2: Match to expression

The model represents multiplying the total of the top segments by the total of the left segments: $13 \times 14$

Answer:

13 × 14