Simplify and express each of the following in exponential form (45×a8b3)(45×a5b2).
Simplification of (45×a8b3)(45×a5b2)
=(45×a8b3)(45×a5b2)
=45–5×(a8–5×b3–2)…[∵am÷an=a(m–n)]
=40×(a3b)
=1×a3b
=a3b
Hence, the value of (45×a8b3)(45×a5b2) is a3b
Simplifyand express each of the following in exponential form:
(i) 23×34×43×32
(ii) (523×54)÷57
(iii) 254÷53
(iv) 3×72×11821×113
(v) 3734×33
(vi) 20+30+40
(vii) 20×30×40
(viii) (30+20)×50
(ix) 28×a543×a3
(x) a5a3×a8
(xi) 45×a8b345×a5b2
(xii) (23×2)2