Class 6 - Mathematics
Chapter - Exponents and Powers : Exercise 13.2

Top Block 1
Question: 1.Using laws of exponents, simplify and write the answer in exponential form:
(i)32 x 34 x 38
(ii) 615 ÷ 610
(iii) a3 x a2
(iv) 7𝓍 x 72
(v) (52)2 ÷ 53
(vi) 25 x 55
(vii) a4 x b4
(viii) (34)3
(ix) (220 ÷ 215) x 23
(x) 8𝓉÷82
Answer :


Question: 2. Simplify and express each of the following in exponential form:

Answer :



Mddle block 1
Question: 3. Say true or false and justify your
Answer :
(i) 10 x 1011 = 10011
(ii) 23 > 52
(iii)23 x 32 = 65
(iv) 30 = (1000)10
Answer :

Question: 4.Express each of the following as a product of prime factors only i^n exponential form:
(i) 108 x 192
(ii) 270
(iii) 729 x 64
(iv) 768
Answer :

Question: 5.Simplify:

Answer :


