Question

find the value of each of the following products
1. (-3)×15
2. 4×(-13)
3. (-23)×(-31)
4. (-3)×(-2)×7
5. 2×(-3)×(-1)×(-5)​

Answer 1

Answer:

-15

-52

73

42

-30

Explanation:

multiplication of sign and multiplication of numbers are important

Answer 2

Answer:

first you know the formula

(-) × (-) = +

(+) × (-) = -

(+) × (+) = +

in the formula you able to solve these

1 = -45

2= -52

3= 713

4= 42

5 = -30

this is your answer plz mark me excellent