Solve all simplify (ii) Express 343 as a power of 7.
(iii) Express— 128 as a power of— 2.
Express each of the following as a product of prime factors only :
(i) 100<192
Simplify .
(i) a2 xa xa
—5
4- xa Xb
(iii)
Compare the exponents :
(i) 72 and35
(ii) 28 and 82
Simplify :
3-2 -3
(ii) 1(-2) 21 3
Solve the following exponential equations :
(iii)
(ii)
(iv)
(iii)
(iii)
(a xa- xa4) 2
2
10 5
10-4
53 and 37
3
4
