(86)(0.45) help of logarithm table

1.	(86)(0.45) help of logarithm table
Answer» ANSWER: -0.347 Step-by-step explanation: LOG 0.45 can be written as log 45/100 = log 45- log10² = log 3²5- 2log 10 = 2log 3 + log 5 -21 (log 10 to the base 10 = 1) = 2*0.477+0.699- 2 = 1.653-2 = -0.347 Note : assumed base value as 10 and log 3 = 0.477 and log 5 = 1- log2 = 1-0.301= 0.699

Answer»

ANSWER:

-0.347

Step-by-step explanation:

LOG 0.45 can be written as

log 45/100

= log 45- log10²

= log 3²*5- 2log 10

= 2log 3 + log 5 -2*1 (log 10 to the base 10 = 1)

= 2*0.477+0.699- 2

= 1.653-2

= -0.347

Note : assumed base value as 10 and

log 3 = 0.477 and

log 5 = 1- log2 = 1-0.301= 0.699

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(86)(0.45) help of logarithm table

Note : assumed base value as 10 and

log 3 = 0.477 and

log 5 = 1- log2 = 1-0.301= 0.699

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