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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")
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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.
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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.
