Advertisements
Chapters
▶ 2: Exponents
3: Squares and Square Root
4: Cubes and Cube Roots
5: Playing with Numbers
6: Sets
7: Percent and Percentage
8: Profit, Loss and Discount
9: Interest
10: Direct and Inverse Variations
11: Algebraic Expressions
12: Identities
13: Factorisation
14: Linear Equations in one Variable
15: Linear Inequations
16: Understanding Shapes
17: Special Types of Quadrilaterals
18: Constructions
19: Representing 3-D in 2-D
20: Area of a Trapezium and a Polygon
21: Surface Area, Volume and Capacity
22: Data Handling
23: Probability
![Selina solutions for Concise Mathematics [English] Class 8 ICSE chapter 2 - Exponents - Shaalaa.com](/images/concise-mathematics-english-class-8-icse_6:3b78c4422443458583dde48f228ef792.jpg "Selina solutions for Concise Mathematics [English] Class 8 ICSE chapter 2 - Exponents")
Advertisements
Solutions for Chapter 2: Exponents
Below listed, you can find solutions for Chapter 2 of CISCE Selina for Concise Mathematics [English] Class 8 ICSE.
Selina solutions for Concise Mathematics [English] Class 8 ICSE 2 Exponents Exercise 2 (A) [Page 31]
Evaluate:
`(3^-1xx9^-1)÷3^-2`
Evaluate:
`(3^-1xx4^-1)÷6^-1`
Evaluate:
`(2^-1+3^-1)^3`
Evaluate:
`(3^-1÷4^-1)^2`
Evaluate:
`(2^2+3^2)xx(1/2)^2`
Evaluate:
`(5^2-3^2)xx(2/3)^-3`
Evaluate:
`[(1/4)^-3-(1/3)^-3]÷(1/6)^-3`
Evaluate:
`[(-3/4)^-2]^2`
Evaluate:
`{(3/5)^-2}^-2`
Evaluate:
`(5^-1xx3^-1)÷6^-1`
If 1125 = 3m x 5n, find m and n
Find x, if 9 x 3x = (27) 2x-3
Selina solutions for Concise Mathematics [English] Class 8 ICSE 2 Exponents Exercise 2 (B) [Pages 33 - 34]
Compute:
`1^8xx3^0xx5^3xx2^2`
Compute:
`(4^7)^2xx(4^-3)^4`
Compute:
`(2^-9÷2^-11)^3`
Compute:
`(2/3)^(-4)xx(27/8)^-2`
Compute:
`(56/28)^0÷(2/5)^3xx16/25`
Compute:
`(12)^-2xx3^3`
Compute:
`(-5)^4xx(-5)^6÷(-5)^9`
Compute:
`(-1/3)^4÷(-1/3)^8xx(-1/3)^5`
Compute:
`9^0xx4^-1÷2^-4`
Compute:
`(625)^(-3/4)`
Compute:
`(27/64)^(-2/3)`
Compute:
`(1/32)^(-2/5)`
Compute:
`(125)^(-2/3)÷(8)^(2/3)`
Compute:
`(243)^(2/5)÷(32)^(-2/5)`
Compute:
`(-3)^4-(root(4)(3))^0xx(-2)^5÷(64)^(2/3)`
Compute:
`(27)^(2/3)÷(81/16)^(-1/4)`
Simplify:
`8^(4/3)+25^(3/2)-(1/27)^(-2/3)`
Simplify:
`[(64)^-2]^-3÷[{(-8)^2}^3]^2`
Simplify:
`(2^-3-2^-4)(2^-3+2^-4)`
Evaluate:
`(-5)^0`
Evaluate:
`8^0+4^0+2^0`
Evaluate:
`(8+4+2)^0`
Evaluate:
`4"x"^0`
Evaluate:
`(4"x")^0`
Evaluate:
`[(10^3)^0]^5`
Evaluate:
`(7"x"^0)^2`
Evaluate:
`9^0+9^-1-9^-2+9^(1/2)-9^(-1/2)`
Simplify:
`("a"^5"b"^2)/("a"^2"b"^-3`
Simplify:
`15"y"^8÷3"y"^3`
Simplify:
`"x"^10"y"^6÷"x"^3"y"^-2`
Simplify:
`5"z"^16÷15"z"^-11`
Simplify:
`(36"x"^2)^(1/2)`
Simplify:
`(125"x"^-3)^(1/3)`
Simplify:
`(2"x"^2"y"^-3)^-2`
Simplify:
`(27"x"^-3"y"^6)^(2/3)`
Simplify:
`(-2"x"^(2/3)"y"^(-3/2))^6`
Simplify:
`("x"^("a"+"b"))^("a"-"b").("x"^("b"+"c"))^("b"-"c").("x"^("c"+"a"))^("c"-"a")`
Simplify:
`root5("x"^20"y"^-10"z"^5)÷"x"^3/"y"^3`
Simplify:
`[(256"a"^16)/(81"b"^4)]^(-3/4)`
simplify and express as positive indice:
`("a"^-2"b")^-2.("a""b")^-3`
Simplify and express as positive indice:
`("x"^"n""y"^-"m")^4xx("x"^3"y"^-2)^-"n"`
Simplify and express as positive indice;
`[(125"a"^-3)/"y"^6]^(-1/3)`
Simplify and express as positive indice:
`[(32"x"^-5)/(243"y"^-5)]^(-1/5)`
Simplify and express as positive indice:
`("a"^(-2)"b")^(1/2)xx("a""b"^-3)^(1/3)`
Simplify and express as positive indice:
(xy)(m-n).(yz)(n-l).(zx)(l-m)
Show that:
`(("x"^"a")/"x"^(-"b"))^("a"-"b").(("x"^"b")/"x"^(-"c"))^("b"-"c").(("x"^"c")/("x"^(-"a")))^("c"-"a")=1`
Evaluate:
`(x^(5+n)(x^2)^(3n+1))/x^(7n-2)`
Evaluate:
`("a"^(2"n"+1)xx"a"^((2"n"+1)(2"n"-1)))/("a"^("n"(4"n"-1))xx("a"^2)^(2"n"+3)`
Prove that:
`("m"+"n")^-1("m"^-1+"n"^-1)=("m""n")^-1`
Prove that:
`((x^a)/x^b)^(1/(ab))((x^b)/x^c)^(1/(bc))(x^c/x^a)^(1/(ca))=1`
Prove that:
`1/(1+"x"^("a"-"b"))+1/(1+"x"^("b"-"a"))=1`
Find the value of n, when:
`12^-5xx12^(2"n"+1)=12^13÷12^7`
Find the value of n, when:
`("a"^(2"n"-3)xx("a"^2)^("n"+1))/(("a"^4)^-3)=("a"^3)^3÷("a"^6)^-3`
Simplify:
`("a"^(2"n"+3)."a"^((2"n"+1)("n"+2)))/(("a"^3)^(2"n"+1)."a"^("n"(2"n"+1)`
Simplify:
`("x"^(2"n"+7).("x"^2)^(3"n"+2))/"x"^(4(2"n"+3)`
Solutions for 2: Exponents
Selina solutions for Concise Mathematics [English] Class 8 ICSE chapter 2 - Exponents
Shaalaa.com has the CISCE Mathematics Concise Mathematics [English] Class 8 ICSE CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Selina solutions for Mathematics Concise Mathematics [English] Class 8 ICSE CISCE 2 (Exponents) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Selina textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Concise Mathematics [English] Class 8 ICSE chapter 2 Exponents are Concept of Exponents, Law of Exponents (For Integral Powers), Negative Integral Exponents, More About Exponents.
Using Selina Concise Mathematics [English] Class 8 ICSE solutions Exponents exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Selina Solutions are essential questions that can be asked in the final exam. Maximum CISCE Concise Mathematics [English] Class 8 ICSE students prefer Selina Textbook Solutions to score more in exams.
Get the free view of Chapter 2, Exponents Concise Mathematics [English] Class 8 ICSE additional questions for Mathematics Concise Mathematics [English] Class 8 ICSE CISCE, and you can use Shaalaa.com to keep it handy for your exam preparation.
