Selina Concise Class 8 Math Chapter 2 Exponents Exercise 2B Solutions
ICSE Class 8 Selina solution: Exponents Chapter 2. Here you get easy solutions of ICSE Class 8 Math Book Chapter 2. Here we give Chapter 2 all solution of Class 8. Its help you to complete your homework. If you follow this site you get all your book problems with its easy solutions. Its help you in your study and all homework problems. Here is all easy and short type answer for your help. ICSE Selina Math solution give you lots of solutions and help increase your result.
Board – ICSE
Text Book – Selina Concise
Class – 8
Chapter – 2
EXERCISE 2B
(1) Compute:
(i) 18 × 30 × 53 × 22
= 1 × 1 × 125 × 4
= 500
(ii) (47)2 × (4-3)4
= 414 × 4-12
= 414-12 = 42 = 16
(iii) (2-9 ÷ 2-11)3
= (2-9+11)3
= (22)3
= 26
= 2 × 2 × 2 × 2 × 2 × 2
= 64
(3) Evaluate:
(i) (-5)0 = 1
(ii) 80 + 40 + 20
= 1 + 1 + 1 = 3
(iii) (8 + 4 + 2)0
= (14)0 = 1
(iv) 4x0
= 4 × 1 = 4
(v) (4x)0 = 1
(vi) [(103)0]5
= [100]5
= 15 = 1
(vii) (7x0)2
= (7 × 1)2
= 7 × 7 = 49
I couldn’t see the solution of 4th question’s 6th,7th,8th and the 9th part
Thanks sir for your answers
Thank you for help m3
Thank you very much this help me very much…