Evaluate Log2(64
x 256).
Solution
= Log2(64 x
256)
= Log264 + Log2256 (applying the product rule)
= Log226
+ Log228 ( 64= 26 and 256=28
by prime factorization)
= 6Log22 + 8Log22 ( remember Logaac = cLogaa
)
= (6 x 1) + (8 x 1) ( remember Logaa = 1 )
= 6 + 8
= 14
Hence Log2(64 x 256) = 18
TRY THIS.......
Evaluate Log2(2048 x 256).
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