What is the product of –5 and –8?

–40
–13
13
40

40

Step-by-step explanation:

This is the answer because:

1) Whenever you are multiplying negative integers, remeber these rules:

Negative x Positive = Negative

Positive x Negative = Negative

Negative x Negative = Positive

Positive x Positive = Positive

2) Since -5 and -8 are both positive numbers, the answer will be a positive product:

5 x 8 = 40

Therefore, the answer is 40.

Hope this helps! :D

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40