RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2

These Solutions are part of RD Sharma Class 8 Solutions. Here we have given RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2

Other Exercises

Question 1.
Write each of the following in exponential form :
RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2 1
Solution:

Question 2.
Evaluate :
RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2 4
Solution:

Question 3.
Express each of the following as a rational number in the form \(\frac { p }{ q } :\)
RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2 7
Solution:

Question 4.
Simplify :
RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2 9
Solution:

Question 5.
Express each of the following rational numbers with a negative exponent :
RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2 11
Solution:

Question 6.
Express each of the following rational numbers with a positive exponent :
RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2 13
Solution:

Question 7.
Simplify :
RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2 15
Solution:

Question 8.
By what number should 5^-1 be multiplied so that the product may be equal to (-7)^-1 ?
Solution:
RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2 18

Question 9.
By what number should \({ \left( \frac { 1 }{ 2 } \right) }^{ -1 }\) be multiplied so that the product may be equal to \({ \left( \frac { -4 }{ 7 } \right) }^{ -1 }\) ?
Solution:
RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2 19

Question 10.
By what number should (-15)^-1 be divided so that the quotient may be equal to (-5)^-1 ?
Solution:
RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2 20

Question 11.
By what number should \({ \left( \frac { 5 }{ 3 } \right) }^{ -2 }\) be multiplied so that the product may be \({ \left( \frac { 7 }{ 3 } \right) }^{ -1 }\) ?
Solution:
RD Sharma Class 8 Solutions Chapter 2 Powers Ex 2.2 21