The nth term of a sequence is 8-n a) Work out the first three terms of the sequence.

b) Work out the value of the first negative term of the sequence.

Step-by-step explanation:

part a

1st term: 8-1= 7

2nd term: 8-2= 6

3rd term: 8-3= 5

part b

9 (because 8-9= -1)

hope it helps!

a) justify

step-by-step explanation:

justifying is just part of everyday life. justify kind of means proof so i think the answer is a) justify.

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)