Question

EXERCISE 2A
1. Simplify:
(i) a6 x a8
(iv) a²63 x a5b2
(vii) s'y 5 x x-5y3
(ii) x5 x x 3
() 5x7 x 3x4
(viii) x 25 x 3cºy?
(iii) 29 x 23 x 2-6
(vi) pºq* x pq
(ix) x®ytzx xry-oz xx24
2. Simplify:
12
5.3
m n
(i)
zo
(ii)
(iii)
27
-3
2
2.-4
m n
(iv) 18x9 = 6x7
(v) 7a 12 = 56 a 15
(vi) a 1367 - ab-3
a²68
(ix)
-2236
a 6°c
(vii) 7x14 • 21x-10
(viii) p11 - p11
3. Simplify:
(i) (a)2
(iv) (xy-3)-2
(ii) (2x’y)
(u) (3xy-3)
(iii) (mºn-3)
(vi) (5m-n-3)​

Answer 1

Answer:

EXERCISE 2A

1. Simplify:

(i) a6 x a8

(iv) a²63 x a5b2

(vii) s'y 5 x x-5y3

(ii) x5 x x 3

() 5x7 x 3x4

(viii) x 25 x 3cºy?

(iii) 29 x 23 x 2-6

(vi) pºq* x pq

(ix) x®ytzx xry-oz xx24

2. Simplify:

12

5.3

m n

(i)

zo

(ii)

(iii)

27

-3

2

2.-4

m n

(iv) 18x9 = 6x7

(v) 7a 12 = 56 a 15

(vi) a 1367 - ab-3

a²68

(ix)

-2236

a 6°c

(vii) 7x14 • 21x-10

(viii) p11 - p11

3. Simplify:

(i) (a)2

(iv) (xy-3)-2

(ii) (2x’y)

(u) (3xy-3)

(iii) (mºn-3)

(vi) (5m-n-3)