Question

EXERCISE 1.6
Q.1. Find: (1) 642 (ü) 325 (ii) 1257
Sol. 6)647 = (89) = 8 Ans. (i) 325 = (2x2x2x2x2)Ğ = (25) (23)3 = 2 Ans.
(i) 1257 = (5x5x5)3 = 153 )3 = 5 Ans.'
-1
Q.2. Find : (0) 92 (i) 325 (ii) 164 (iv) 1253
2 12
Sol. () 92 = 92 = (3)3 = 27 Ans. (i) 325 = 325 = (2)2 = 4 Ans.
leo
Ans.
Ans.
Gi) 168 = 161 = (2)2 = 8 Ans. (iv) 1253 =
Q3. Simplify : (npi 95 cm 3 ) cu,
(125)
IC
l-
da
ti
13
Sol.
(i) 23.25 = 235) =
= 215 Ans.
. ()
183) = (3-21 Ans.
(iii)
1 1
= 112.11 4 = 112 4 = 114 Ans. (iv) 72.82 = (56)7 Ans.​

Answer 1

Answer:

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