Evaluate Log2(1024 x 64 x
256).
Solution
= Log2(1024 x 64 x 256)
= Log21024 + Log264
+ Log2256
(applying the product rule)
= Log2210+
Log226 + Log228
(Since1024= 210, 64=26
,32=25)
= 10Log22 + 6Log22 +
8Log22 ( remember
Logaac = cLogaa )
= (10 x 1) + (6 x 1) + (8
x 1) (
remember Logaa = 1 )
= 10 + 6 + 8
= 24 answer
hence Log2(1024
x 64 x 256) = 22
TRY THIS...............
Evaluate Log2(512 x 128 x
1024).
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