Respuesta :

Answer:

169

Step-by-step explanation:

13*13=169

We can split the two 13's up:

(10+3)(10+3)

Multiply 10 with 10, 10 with 3, 3 with 10, and 3 with 3.

Basically, just multiply every single term together.

100+30+30+9

100+69

169

Hope this helps!

Answer:

169

Step-by-step explanation:

this is a break down of what goes on in my head

13 x 13

10 x 10 = 100

10 x 3 = 30

3 x 10 = 30

3 x 3 =9

100 + 30 + 30 + 9 = 169