Question

(- 20) (-5) is equal to
(a) 100
(b) (-100)
(C)
25
(d) (-25)​

Answer 1

Answer:

100

Step-by-step explanation:

(-1) (-1) (20) (5)

first, while multiplying, cut (-1) if they are in even number then multiply regularly.

1 x 20x 5

100

so easy.

Hope this help you.

Answer 2

Concept:

The process of multiplying involves repeatedly adding numbers. However, the guidelines for multiplying integers differ from those for addition. There are three options available. As follows:

Multiplication of a positive number by a negative number, between two positive numbers, and between a positive and a negative number.

When two integers with comparable sign numbers are multiplied, the result is always positive. So, whether two positive numbers or two negative numbers are added together, the result will always be positive. While an integer with different signs that is both positive and negative will always result in a negative number.

Given:

(- 20) (-5)

Find:

(- 20) (-5) is equal to

Solution:

(-20)(-5) = -20x-5

Since,minus*minus becomes plus

So,   -20x-5=100

Therefore the answer is option A 100

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