RS Aggarwal Solutions Class 7 Mathematics Solutions for Integers Exercise 1B in Chapter 1 - Integers

Question 23 Integers Exercise 1B

(-1) ×(-1) ×(-1) × … 200 times

Answer:

Solution:-

Using the rule for Multiplication of integers.

= (-1)200 = 1

(∵ Multiplying one with itself is 1 only. But, for deciding whether it is to be positive or negative by

the value of powers, if it is even number the answer should be in positive or negative when it is

odd number)

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Exercises

Integers Exercise 1A

Integers Exercise 1B

Integers Exercise 1C

Integers Exercise 1D

Chapters

Integers

Fractions

Decimals

Rational Numbers

Exponents

Algebraic Expressions

Linear Equations in one variable

Ratio and Proportion

Unitary Method

Percentage

Profit and Loss

Simple Interest

Lines and Angles

Properties of Parallel Line

Properties of Triangles

Congruence

Constructions

Reflection and Rotational Symmetry

Three-Dimensional Shapes

Mensuration

Bar Graphs

Probability