1.A number is not an integer. What type of number can it be?

2. Katie said, "negative numbers are integers." What was her error?

1. It can be a decimal or a fraction, because decimals and fractions are NOT whole numbers.

for example: -6 , 37 , 100 are integers

54.7845379 , 3/8 , 2.9 are not integers

Hopes this helps you !!! :)

What about #2

some negative numbers, like -3 and -1000 are integers.

Others, like -2/3, -3.14 and -√7 are not

1. If a number is not an integer, it can be one of two types: a fraction (also known as a rational number) or a decimal (also known as an irrational number).

2. Katie's error lies in her statement that "negative numbers are integers." The correct definition of integers includes whole numbers (positive, negative, or zero) without fractions or decimals. Integers consist of the set {..., -3, -2, -1, 0, 1, 2, 3, ...}. Negative numbers can indeed be integers, but it is important to note that not all negative numbers are integers. Examples of negative numbers that are not integers include -1.5, -2.7, and so on.