Question

The predecessor of -99 is ___

Answer 1

Hint: In this question, we need to find the predecessor of -99. For this, we will just find the number which is before -99 by subtracting 1 from the given number. The number so obtained will be the predecessor of -99.

Complete step by step answer:
Here we are given the number -99.
We need to find the predecessor of this number.
For this, let us first understand the meaning of a predecessor. The number which comes just before a particular number is called its predecessor. We can find the predecessor of integers only. It is defined as the number one less than the given number. Example: 24 is the predecessor of 25 because it comes just before the number 25.
To find the predecessor of a number, we need to subtract 1 from the given number. The number obtained becomes the predecessor of the given number. For example: to calculate the predecessor of 25 just subtract 1 from 25. We get 25-1 = 24. So 24 is the predecessor of 25.
Here we are given the number -99. We need to find its predecessor which means let us subtract 1 from this number, we get:
Predecessor of -99 = -99-1.
We know that when two numbers are with negative signs then they are added but the sign is used as negative. For example: for -2-3 our answer is -5.
So for -99-1 we get, predecessor of -99 = -99-1 = -100.
Hence the required answer is -100.

Note:
 Students should note that we always have to subtract 1 only to find the predecessor. Students can make mistakes by taking -98 as the predecessor of -99. To avoid mistakes, students can use a number line. The number which is just left to the given number on the number line is the required predecessor. Note that, a successor is a number that comes just after the given number.