Question

the successor of the predecessor of - 20​

Answer 1

The predecessor of $-20$ is = $-21$

The successor of $-20$ is = $-19$

Explanation:

• The Predecessor is also called the "before number".

• It refers to the number that comes before any number. For example predecessor for 2 is 1.
• Similarly, a successor is known as the after the number.
• It refers to the number that comes after any number. For example successor of 2 is 3.
• In the case of a negative integer, predecessor, and successor work in a similar manner.
• Therefore, when we will look at the number line:

the predecessor of $-20$ is = $-21$

the successor of $-20$ is = $-19$

Answer 2

SOLUTION

TO DETERMINE

The successor of the predecessor of - 20

EVALUATION

We know for any given number N , the successor is obtained by adding 1 with the number and the predecessor is obtained subtracting 1 from the nu

The successor of N = N + 1

The predecessor of N = N - 1

Here the given number = - 20

Thus we have

The successor of - 20 = - 20 + 1 = - 19

The predecessor of - 20 = - 20 - 1 = - 21

FINAL ANSWER

The successor of - 20 = - 19

The predecessor of - 20 = - 21

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