के सिविना जिविरही यामेन मावना रबार
2Khetri chemically parimay sankhya 1 Te 2 De Vich kar hai

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)

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation:

can you complete your sentence? i could !

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x