The diffrence 9 5/10 and 3 3/10 .is added to 8 7/10

 149/10 or 14.9 or 14 9/10

Step-by-step explanation:

so it got the same common denomeatiors so we just subtract 9 5/10 - 3 3/10 ( i made them into mixed numbers) and then after that we get 62/10 +87/10 (8 7/10).

Hope thats right and helps!

i really dont know

step-by-step explanation:

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)