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    ohdangitsaudrey's Avatar
    ohdangitsaudrey Posts: 5, Reputation: 1
    New Member
    		  
    #1

    Jul 28, 2007, 09:00 PM
    logs are pretty hard.
    the direction reads

    given that log 2 = 0.3010 and log 3 = 0.4771, state an equation you can use to find approximations of the logarithms of each of the following numbers without using a table. Then find the approximations.

    a. 4
    b. 8
    c. 1/2



    can someone please help me? :eek: :( :confused: :confused: :)
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
    Ultra Member
    		  
    #2

    Jul 29, 2007, 08:16 AM
    Given log(2)=0.3010, you could try:



    Note the powers the powers of 2. 2^2=4, 2^3=8, etc.
    nicespringgirl's Avatar
    nicespringgirl Posts: 1,237, Reputation: 187
    Ultra Member
    		  
    #3

    Jul 30, 2007, 07:11 PM
    U don't even need to know log 3 = 0.4771...
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