B. Write whether the followings statements are true or false
(2)
1. Smallest negative integer is -1.
2. Two quantities can be compared only if they are in same unit.
3. A pictograph represents data in the form of pictures or objects
4. The amount of surface enclosed by a close figure is called its perimeter.
Answers
Step-by-step explanation:
1 true
2 ture
3 true
4 false
1. Integers can be negative as well as positive. All negative integers are smaller than zero. Hence the statement is false.
2. Ratios are used to compare quantities. ... If two quantities cannot be expressed in terms of the same unit, there cannot be a ratio between them. Hence to compare two quantities, the units must be the same. True.
3. A represents data through pictures of objects. In a pictograph or pictogram data is represented in the form of pictures or symbols. each picture in a pictograph represent a number. The key gives us an idea about the number of articles which picture represent. True.
4. In mathematics the area of a plane figure refers to the number of square units the figure covers. The area is the inside shape or space measured in square units. ... The amount of surface enclosed by a closed figure is called its area. False.
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